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Finding the Fourth Proportional to 407,772.55, 572,062.55 and 407,772.55

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Solution

The fourth proportional to 407,772.55, 572,062.55 and 407,772.55 is: 572,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,772.55 : 572,062.55 = 407,772.55 : x
  2. Step 2: Convert to fraction form
    407,772.55/572,062.55 = 407,772.55/x
  3. Step 3: Cross multiply
    407,772.55x = 572,062.55 × 407,772.55
  4. Step 4: Simplify right side
    407,772.55x = 233,271,404,773.00
  5. Step 5: Solve for x
    x = 233,271,404,773.00/407,772.55
  6. Step 6: Final answer
    x = 572,062.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.