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Finding the Fourth Proportional to 532,447,422.70, 798,671,134.05 and 360,454,744.30

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Solution

The fourth proportional to 532,447,422.70, 798,671,134.05 and 360,454,744.30 is: 540,682,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,447,422.70 : 798,671,134.05 = 360,454,744.30 : x
  2. Step 2: Convert to fraction form
    532,447,422.70/798,671,134.05 = 360,454,744.30/x
  3. Step 3: Cross multiply
    532,447,422.70x = 798,671,134.05 × 360,454,744.30
  4. Step 4: Simplify right side
    532,447,422.70x = 287,884,799,403,783,776
  5. Step 5: Solve for x
    x = 287,884,799,403,783,776/532,447,422.70
  6. Step 6: Final answer
    x = 540,682,116.45

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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.