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Finding the Fourth Proportional to 295,265.40, 442,898.10 and 117,799.80

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Solution

The fourth proportional to 295,265.40, 442,898.10 and 117,799.80 is: 176,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,265.40 : 442,898.10 = 117,799.80 : x
  2. Step 2: Convert to fraction form
    295,265.40/442,898.10 = 117,799.80/x
  3. Step 3: Cross multiply
    295,265.40x = 442,898.10 × 117,799.80
  4. Step 4: Simplify right side
    295,265.40x = 52,173,307,600.38
  5. Step 5: Solve for x
    x = 52,173,307,600.38/295,265.40
  6. Step 6: Final answer
    x = 176,699.70

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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.