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Finding the Fourth Proportional to 286,301.20, 429,627.30 and 117,902.20

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Solution

The fourth proportional to 286,301.20, 429,627.30 and 117,902.20 is: 176,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,301.20 : 429,627.30 = 117,902.20 : x
  2. Step 2: Convert to fraction form
    286,301.20/429,627.30 = 117,902.20/x
  3. Step 3: Cross multiply
    286,301.20x = 429,627.30 × 117,902.20
  4. Step 4: Simplify right side
    286,301.20x = 50,654,003,850.06
  5. Step 5: Solve for x
    x = 50,654,003,850.06/286,301.20
  6. Step 6: Final answer
    x = 176,925.57

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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.