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Finding the Fourth Proportional to 650,751.68, 976,501.11 and 508,196.87

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Solution

The fourth proportional to 650,751.68, 976,501.11 and 508,196.87 is: 762,587.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,751.68 : 976,501.11 = 508,196.87 : x
  2. Step 2: Convert to fraction form
    650,751.68/976,501.11 = 508,196.87/x
  3. Step 3: Cross multiply
    650,751.68x = 976,501.11 × 508,196.87
  4. Step 4: Simplify right side
    650,751.68x = 496,254,805,480.03
  5. Step 5: Solve for x
    x = 496,254,805,480.03/650,751.68
  6. Step 6: Final answer
    x = 762,587.06

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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.