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Finding the Fourth Proportional to 877,572.68, 1,316,359.01 and 818,523.68

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Solution

The fourth proportional to 877,572.68, 1,316,359.01 and 818,523.68 is: 1,227,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,572.68 : 1,316,359.01 = 818,523.68 : x
  2. Step 2: Convert to fraction form
    877,572.68/1,316,359.01 = 818,523.68/x
  3. Step 3: Cross multiply
    877,572.68x = 1,316,359.01 × 818,523.68
  4. Step 4: Simplify right side
    877,572.68x = 1,077,471,016,530.87
  5. Step 5: Solve for x
    x = 1,077,471,016,530.87/877,572.68
  6. Step 6: Final answer
    x = 1,227,785.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.