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Finding the Fourth Proportional to 593,485.60, 890,228.40 and 572,490.40

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Solution

The fourth proportional to 593,485.60, 890,228.40 and 572,490.40 is: 858,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,485.60 : 890,228.40 = 572,490.40 : x
  2. Step 2: Convert to fraction form
    593,485.60/890,228.40 = 572,490.40/x
  3. Step 3: Cross multiply
    593,485.60x = 890,228.40 × 572,490.40
  4. Step 4: Simplify right side
    593,485.60x = 509,647,212,807.36
  5. Step 5: Solve for x
    x = 509,647,212,807.36/593,485.60
  6. Step 6: Final answer
    x = 858,735.60

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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.