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Finding the Fourth Proportional to 502,244.80, 693,140.68 and 284,492.33

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Solution

The fourth proportional to 502,244.80, 693,140.68 and 284,492.33 is: 392,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,244.80 : 693,140.68 = 284,492.33 : x
  2. Step 2: Convert to fraction form
    502,244.80/693,140.68 = 284,492.33/x
  3. Step 3: Cross multiply
    502,244.80x = 693,140.68 × 284,492.33
  4. Step 4: Simplify right side
    502,244.80x = 197,193,206,560.17
  5. Step 5: Solve for x
    x = 197,193,206,560.17/502,244.80
  6. Step 6: Final answer
    x = 392,623.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.