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Finding the Fourth Proportional to 417,833.16, 626,669.58 and 118,241.40

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Solution

The fourth proportional to 417,833.16, 626,669.58 and 118,241.40 is: 177,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,833.16 : 626,669.58 = 118,241.40 : x
  2. Step 2: Convert to fraction form
    417,833.16/626,669.58 = 118,241.40/x
  3. Step 3: Cross multiply
    417,833.16x = 626,669.58 × 118,241.40
  4. Step 4: Simplify right side
    417,833.16x = 74,098,288,476.61
  5. Step 5: Solve for x
    x = 74,098,288,476.61/417,833.16
  6. Step 6: Final answer
    x = 177,339.42

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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.