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Finding the Fourth Proportional to 531,218.50, 733,081.53 and 292,754.50

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Solution

The fourth proportional to 531,218.50, 733,081.53 and 292,754.50 is: 404,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,218.50 : 733,081.53 = 292,754.50 : x
  2. Step 2: Convert to fraction form
    531,218.50/733,081.53 = 292,754.50/x
  3. Step 3: Cross multiply
    531,218.50x = 733,081.53 × 292,754.50
  4. Step 4: Simplify right side
    531,218.50x = 214,612,916,774.39
  5. Step 5: Solve for x
    x = 214,612,916,774.39/531,218.50
  6. Step 6: Final answer
    x = 404,001.21

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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.