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Finding the Fourth Proportional to 295,304.40, 442,956.60 and 117,838.80

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Solution

The fourth proportional to 295,304.40, 442,956.60 and 117,838.80 is: 176,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,304.40 : 442,956.60 = 117,838.80 : x
  2. Step 2: Convert to fraction form
    295,304.40/442,956.60 = 117,838.80/x
  3. Step 3: Cross multiply
    295,304.40x = 442,956.60 × 117,838.80
  4. Step 4: Simplify right side
    295,304.40x = 52,197,474,196.08
  5. Step 5: Solve for x
    x = 52,197,474,196.08/295,304.40
  6. Step 6: Final answer
    x = 176,758.20

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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.