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Finding the Fourth Proportional to 552,212.68, 761,609.10 and 370,869.88

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Solution

The fourth proportional to 552,212.68, 761,609.10 and 370,869.88 is: 511,501.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,212.68 : 761,609.10 = 370,869.88 : x
  2. Step 2: Convert to fraction form
    552,212.68/761,609.10 = 370,869.88/x
  3. Step 3: Cross multiply
    552,212.68x = 761,609.10 × 370,869.88
  4. Step 4: Simplify right side
    552,212.68x = 282,457,875,523.91
  5. Step 5: Solve for x
    x = 282,457,875,523.91/552,212.68
  6. Step 6: Final answer
    x = 511,501.97

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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.