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Finding the Fourth Proportional to 488,522.80, 732,913.80 and 172,946.80

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Solution

The fourth proportional to 488,522.80, 732,913.80 and 172,946.80 is: 259,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,522.80 : 732,913.80 = 172,946.80 : x
  2. Step 2: Convert to fraction form
    488,522.80/732,913.80 = 172,946.80/x
  3. Step 3: Cross multiply
    488,522.80x = 732,913.80 × 172,946.80
  4. Step 4: Simplify right side
    488,522.80x = 126,755,096,385.84
  5. Step 5: Solve for x
    x = 126,755,096,385.84/488,522.80
  6. Step 6: Final answer
    x = 259,466.08

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1.5x scale

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.