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Finding the Fourth Proportional to 407,337.30, 571,453.20 and 407,337.30

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Solution

The fourth proportional to 407,337.30, 571,453.20 and 407,337.30 is: 571,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,337.30 : 571,453.20 = 407,337.30 : x
  2. Step 2: Convert to fraction form
    407,337.30/571,453.20 = 407,337.30/x
  3. Step 3: Cross multiply
    407,337.30x = 571,453.20 × 407,337.30
  4. Step 4: Simplify right side
    407,337.30x = 232,774,203,564.36
  5. Step 5: Solve for x
    x = 232,774,203,564.36/407,337.30
  6. Step 6: Final answer
    x = 571,453.20

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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.