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Finding the Fourth Proportional to 529,348.32, 794,139.12 and 293,035.68

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Solution

The fourth proportional to 529,348.32, 794,139.12 and 293,035.68 is: 439,618.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,348.32 : 794,139.12 = 293,035.68 : x
  2. Step 2: Convert to fraction form
    529,348.32/794,139.12 = 293,035.68/x
  3. Step 3: Cross multiply
    529,348.32x = 794,139.12 × 293,035.68
  4. Step 4: Simplify right side
    529,348.32x = 232,711,097,043.80
  5. Step 5: Solve for x
    x = 232,711,097,043.80/529,348.32
  6. Step 6: Final answer
    x = 439,618.09

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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.