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Finding the Fourth Proportional to 286,042.59, 429,202.13 and 117,687.15

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Solution

The fourth proportional to 286,042.59, 429,202.13 and 117,687.15 is: 176,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,042.59 : 429,202.13 = 117,687.15 : x
  2. Step 2: Convert to fraction form
    286,042.59/429,202.13 = 117,687.15/x
  3. Step 3: Cross multiply
    286,042.59x = 429,202.13 × 117,687.15
  4. Step 4: Simplify right side
    286,042.59x = 50,511,574,865.19
  5. Step 5: Solve for x
    x = 50,511,574,865.19/286,042.59
  6. Step 6: Final answer
    x = 176,587.60

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1.5x scale

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.