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Finding the Fourth Proportional to 447,955,597.66, 671,935,521.74 and 137,062,717.76

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Solution

The fourth proportional to 447,955,597.66, 671,935,521.74 and 137,062,717.76 is: 205,594,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,955,597.66 : 671,935,521.74 = 137,062,717.76 : x
  2. Step 2: Convert to fraction form
    447,955,597.66/671,935,521.74 = 137,062,717.76/x
  3. Step 3: Cross multiply
    447,955,597.66x = 671,935,521.74 × 137,062,717.76
  4. Step 4: Simplify right side
    447,955,597.66x = 92,097,308,769,510,608
  5. Step 5: Solve for x
    x = 92,097,308,769,510,608/447,955,597.66
  6. Step 6: Final answer
    x = 205,594,726.91

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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.