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Finding the Fourth Proportional to 502,548.20, 753,822.30 and 360,830.60

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Solution

The fourth proportional to 502,548.20, 753,822.30 and 360,830.60 is: 541,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,548.20 : 753,822.30 = 360,830.60 : x
  2. Step 2: Convert to fraction form
    502,548.20/753,822.30 = 360,830.60/x
  3. Step 3: Cross multiply
    502,548.20x = 753,822.30 × 360,830.60
  4. Step 4: Simplify right side
    502,548.20x = 272,002,152,802.38
  5. Step 5: Solve for x
    x = 272,002,152,802.38/502,548.20
  6. Step 6: Final answer
    x = 541,245.90

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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.