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Finding the Fourth Proportional to 593,630.60, 890,445.90 and 519,902.60

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Solution

The fourth proportional to 593,630.60, 890,445.90 and 519,902.60 is: 779,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,630.60 : 890,445.90 = 519,902.60 : x
  2. Step 2: Convert to fraction form
    593,630.60/890,445.90 = 519,902.60/x
  3. Step 3: Cross multiply
    593,630.60x = 890,445.90 × 519,902.60
  4. Step 4: Simplify right side
    593,630.60x = 462,945,138,569.34
  5. Step 5: Solve for x
    x = 462,945,138,569.34/593,630.60
  6. Step 6: Final answer
    x = 779,853.90

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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.