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Finding the Fourth Proportional to 534,430,429.40, 801,645,644.10 and 534,430,429.40

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Solution

The fourth proportional to 534,430,429.40, 801,645,644.10 and 534,430,429.40 is: 801,645,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,430,429.40 : 801,645,644.10 = 534,430,429.40 : x
  2. Step 2: Convert to fraction form
    534,430,429.40/801,645,644.10 = 534,430,429.40/x
  3. Step 3: Cross multiply
    534,430,429.40x = 801,645,644.10 × 534,430,429.40
  4. Step 4: Simplify right side
    534,430,429.40x = 428,423,825,803,002,560
  5. Step 5: Solve for x
    x = 428,423,825,803,002,560/534,430,429.40
  6. Step 6: Final answer
    x = 801,645,644.10

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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.