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Finding the Fourth Proportional to 442,733,257.84, 664,502,882.80 and 235,645,528

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Solution

The fourth proportional to 442,733,257.84, 664,502,882.80 and 235,645,528 is: 353,682,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,733,257.84 : 664,502,882.80 = 235,645,528 : x
  2. Step 2: Convert to fraction form
    442,733,257.84/664,502,882.80 = 235,645,528/x
  3. Step 3: Cross multiply
    442,733,257.84x = 664,502,882.80 × 235,645,528
  4. Step 4: Simplify right side
    442,733,257.84x = 156,587,132,674,928,096
  5. Step 5: Solve for x
    x = 156,587,132,674,928,096/442,733,257.84
  6. Step 6: Final answer
    x = 353,682,787.33

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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.