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Finding the Fourth Proportional to 593,999.10, 890,998.65 and 505,644.30

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Solution

The fourth proportional to 593,999.10, 890,998.65 and 505,644.30 is: 758,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,999.10 : 890,998.65 = 505,644.30 : x
  2. Step 2: Convert to fraction form
    593,999.10/890,998.65 = 505,644.30/x
  3. Step 3: Cross multiply
    593,999.10x = 890,998.65 × 505,644.30
  4. Step 4: Simplify right side
    593,999.10x = 450,528,388,680.20
  5. Step 5: Solve for x
    x = 450,528,388,680.20/593,999.10
  6. Step 6: Final answer
    x = 758,466.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.