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Finding the Fourth Proportional to 572,539.60, 858,809.40 and 572,539.60

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Solution

The fourth proportional to 572,539.60, 858,809.40 and 572,539.60 is: 858,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,539.60 : 858,809.40 = 572,539.60 : x
  2. Step 2: Convert to fraction form
    572,539.60/858,809.40 = 572,539.60/x
  3. Step 3: Cross multiply
    572,539.60x = 858,809.40 × 572,539.60
  4. Step 4: Simplify right side
    572,539.60x = 491,702,390,352.24
  5. Step 5: Solve for x
    x = 491,702,390,352.24/572,539.60
  6. Step 6: Final answer
    x = 858,809.40

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Double scale
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Similar ratio
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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.