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Finding the Fourth Proportional to 207,656,446.35, 311,484,669.53 and 207,656,446.35

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Solution

The fourth proportional to 207,656,446.35, 311,484,669.53 and 207,656,446.35 is: 311,484,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,656,446.35 : 311,484,669.53 = 207,656,446.35 : x
  2. Step 2: Convert to fraction form
    207,656,446.35/311,484,669.53 = 207,656,446.35/x
  3. Step 3: Cross multiply
    207,656,446.35x = 311,484,669.53 × 207,656,446.35
  4. Step 4: Simplify right side
    207,656,446.35x = 64,681,799,566,065,632
  5. Step 5: Solve for x
    x = 64,681,799,566,065,632/207,656,446.35
  6. Step 6: Final answer
    x = 311,484,669.53

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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.