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Finding the Fourth Proportional to 531,121.68, 732,117.96 and 361,060.56

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Solution

The fourth proportional to 531,121.68, 732,117.96 and 361,060.56 is: 497,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,121.68 : 732,117.96 = 361,060.56 : x
  2. Step 2: Convert to fraction form
    531,121.68/732,117.96 = 361,060.56/x
  3. Step 3: Cross multiply
    531,121.68x = 732,117.96 × 361,060.56
  4. Step 4: Simplify right side
    531,121.68x = 264,338,920,623.66
  5. Step 5: Solve for x
    x = 264,338,920,623.66/531,121.68
  6. Step 6: Final answer
    x = 497,699.36

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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.