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Finding the Fourth Proportional to 619,700,737.50, 855,187,017.75 and 341,241,597.54

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Solution

The fourth proportional to 619,700,737.50, 855,187,017.75 and 341,241,597.54 is: 470,913,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,700,737.50 : 855,187,017.75 = 341,241,597.54 : x
  2. Step 2: Convert to fraction form
    619,700,737.50/855,187,017.75 = 341,241,597.54/x
  3. Step 3: Cross multiply
    619,700,737.50x = 855,187,017.75 × 341,241,597.54
  4. Step 4: Simplify right side
    619,700,737.50x = 291,825,384,132,478,336
  5. Step 5: Solve for x
    x = 291,825,384,132,478,336/619,700,737.50
  6. Step 6: Final answer
    x = 470,913,404.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.