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Finding the Fourth Proportional to 407,754,200.90, 611,631,301.35 and 407,754,200.90

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Solution

The fourth proportional to 407,754,200.90, 611,631,301.35 and 407,754,200.90 is: 611,631,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,754,200.90 : 611,631,301.35 = 407,754,200.90 : x
  2. Step 2: Convert to fraction form
    407,754,200.90/611,631,301.35 = 407,754,200.90/x
  3. Step 3: Cross multiply
    407,754,200.90x = 611,631,301.35 × 407,754,200.90
  4. Step 4: Simplify right side
    407,754,200.90x = 249,395,232,527,396,352
  5. Step 5: Solve for x
    x = 249,395,232,527,396,352/407,754,200.90
  6. Step 6: Final answer
    x = 611,631,301.35

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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.