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Finding the Fourth Proportional to 488,060.70, 732,402.09 and 207,577.50

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Solution

The fourth proportional to 488,060.70, 732,402.09 and 207,577.50 is: 311,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,060.70 : 732,402.09 = 207,577.50 : x
  2. Step 2: Convert to fraction form
    488,060.70/732,402.09 = 207,577.50/x
  3. Step 3: Cross multiply
    488,060.70x = 732,402.09 × 207,577.50
  4. Step 4: Simplify right side
    488,060.70x = 152,030,194,836.98
  5. Step 5: Solve for x
    x = 152,030,194,836.98/488,060.70
  6. Step 6: Final answer
    x = 311,498.54

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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.