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Finding the Fourth Proportional to 447,833,692.64, 672,053,211.28 and 156,703,337.68

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Solution

The fourth proportional to 447,833,692.64, 672,053,211.28 and 156,703,337.68 is: 235,160,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,833,692.64 : 672,053,211.28 = 156,703,337.68 : x
  2. Step 2: Convert to fraction form
    447,833,692.64/672,053,211.28 = 156,703,337.68/x
  3. Step 3: Cross multiply
    447,833,692.64x = 672,053,211.28 × 156,703,337.68
  4. Step 4: Simplify right side
    447,833,692.64x = 105,312,981,306,138,224
  5. Step 5: Solve for x
    x = 105,312,981,306,138,224/447,833,692.64
  6. Step 6: Final answer
    x = 235,160,915.84

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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.