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Finding the Fourth Proportional to 295,117.40, 442,787.88 and 176,873.60

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Solution

The fourth proportional to 295,117.40, 442,787.88 and 176,873.60 is: 265,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,117.40 : 442,787.88 = 176,873.60 : x
  2. Step 2: Convert to fraction form
    295,117.40/442,787.88 = 176,873.60/x
  3. Step 3: Cross multiply
    295,117.40x = 442,787.88 × 176,873.60
  4. Step 4: Simplify right side
    295,117.40x = 78,317,486,371.97
  5. Step 5: Solve for x
    x = 78,317,486,371.97/295,117.40
  6. Step 6: Final answer
    x = 265,377.39

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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.