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Finding the Fourth Proportional to 500,548.66, 750,816.72 and 121,472.53

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Solution

The fourth proportional to 500,548.66, 750,816.72 and 121,472.53 is: 182,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,548.66 : 750,816.72 = 121,472.53 : x
  2. Step 2: Convert to fraction form
    500,548.66/750,816.72 = 121,472.53/x
  3. Step 3: Cross multiply
    500,548.66x = 750,816.72 × 121,472.53
  4. Step 4: Simplify right side
    500,548.66x = 91,203,607,938.74
  5. Step 5: Solve for x
    x = 91,203,607,938.74/500,548.66
  6. Step 6: Final answer
    x = 182,207.28

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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.