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Finding the Fourth Proportional to 499,051.70, 747,265.35 and 365,207.30

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Solution

The fourth proportional to 499,051.70, 747,265.35 and 365,207.30 is: 546,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,051.70 : 747,265.35 = 365,207.30 : x
  2. Step 2: Convert to fraction form
    499,051.70/747,265.35 = 365,207.30/x
  3. Step 3: Cross multiply
    499,051.70x = 747,265.35 × 365,207.30
  4. Step 4: Simplify right side
    499,051.70x = 272,906,760,857.06
  5. Step 5: Solve for x
    x = 272,906,760,857.06/499,051.70
  6. Step 6: Final answer
    x = 546,850.68

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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.