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Finding the Fourth Proportional to 473,301.09, 653,239.69 and 279,700.56

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Solution

The fourth proportional to 473,301.09, 653,239.69 and 279,700.56 is: 386,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,301.09 : 653,239.69 = 279,700.56 : x
  2. Step 2: Convert to fraction form
    473,301.09/653,239.69 = 279,700.56/x
  3. Step 3: Cross multiply
    473,301.09x = 653,239.69 × 279,700.56
  4. Step 4: Simplify right side
    473,301.09x = 182,711,506,407.98
  5. Step 5: Solve for x
    x = 182,711,506,407.98/473,301.09
  6. Step 6: Final answer
    x = 386,036.52

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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.