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Finding the Fourth Proportional to 502,654.20, 753,722.10 and 186,948.60

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Solution

The fourth proportional to 502,654.20, 753,722.10 and 186,948.60 is: 280,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,654.20 : 753,722.10 = 186,948.60 : x
  2. Step 2: Convert to fraction form
    502,654.20/753,722.10 = 186,948.60/x
  3. Step 3: Cross multiply
    502,654.20x = 753,722.10 × 186,948.60
  4. Step 4: Simplify right side
    502,654.20x = 140,907,291,384.06
  5. Step 5: Solve for x
    x = 140,907,291,384.06/502,654.20
  6. Step 6: Final answer
    x = 280,326.50

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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.