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Finding the Fourth Proportional to 292,951.70, 439,427.55 and 242,213.30

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Solution

The fourth proportional to 292,951.70, 439,427.55 and 242,213.30 is: 363,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,951.70 : 439,427.55 = 242,213.30 : x
  2. Step 2: Convert to fraction form
    292,951.70/439,427.55 = 242,213.30/x
  3. Step 3: Cross multiply
    292,951.70x = 439,427.55 × 242,213.30
  4. Step 4: Simplify right side
    292,951.70x = 106,435,196,996.42
  5. Step 5: Solve for x
    x = 106,435,196,996.42/292,951.70
  6. Step 6: Final answer
    x = 363,319.95

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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.