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Finding the Fourth Proportional to 532,465,237.70, 798,697,856.55 and 442,885,717.70

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Solution

The fourth proportional to 532,465,237.70, 798,697,856.55 and 442,885,717.70 is: 664,328,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,465,237.70 : 798,697,856.55 = 442,885,717.70 : x
  2. Step 2: Convert to fraction form
    532,465,237.70/798,697,856.55 = 442,885,717.70/x
  3. Step 3: Cross multiply
    532,465,237.70x = 798,697,856.55 × 442,885,717.70
  4. Step 4: Simplify right side
    532,465,237.70x = 353,731,873,423,598,336
  5. Step 5: Solve for x
    x = 353,731,873,423,598,336/532,465,237.70
  6. Step 6: Final answer
    x = 664,328,576.55

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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.