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Finding the Fourth Proportional to 653,488.03, 980,000.08 and 191,737.14

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Solution

The fourth proportional to 653,488.03, 980,000.08 and 191,737.14 is: 287,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,488.03 : 980,000.08 = 191,737.14 : x
  2. Step 2: Convert to fraction form
    653,488.03/980,000.08 = 191,737.14/x
  3. Step 3: Cross multiply
    653,488.03x = 980,000.08 × 191,737.14
  4. Step 4: Simplify right side
    653,488.03x = 187,902,408,384.63
  5. Step 5: Solve for x
    x = 187,902,408,384.63/653,488.03
  6. Step 6: Final answer
    x = 287,537.64

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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.