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Finding the Fourth Proportional to 601,928.70, 902,893.05 and 572,404.20

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Solution

The fourth proportional to 601,928.70, 902,893.05 and 572,404.20 is: 858,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,928.70 : 902,893.05 = 572,404.20 : x
  2. Step 2: Convert to fraction form
    601,928.70/902,893.05 = 572,404.20/x
  3. Step 3: Cross multiply
    601,928.70x = 902,893.05 × 572,404.20
  4. Step 4: Simplify right side
    601,928.70x = 516,819,773,970.81
  5. Step 5: Solve for x
    x = 516,819,773,970.81/601,928.70
  6. Step 6: Final answer
    x = 858,606.30

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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.