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Finding the Fourth Proportional to 500,580.27, 750,864.06 and 121,503.96

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Solution

The fourth proportional to 500,580.27, 750,864.06 and 121,503.96 is: 182,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,580.27 : 750,864.06 = 121,503.96 : x
  2. Step 2: Convert to fraction form
    500,580.27/750,864.06 = 121,503.96/x
  3. Step 3: Cross multiply
    500,580.27x = 750,864.06 × 121,503.96
  4. Step 4: Simplify right side
    500,580.27x = 91,232,956,711.68
  5. Step 5: Solve for x
    x = 91,232,956,711.68/500,580.27
  6. Step 6: Final answer
    x = 182,254.40

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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.