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Finding the Fourth Proportional to 410,122.80, 614,665.80 and 365,540.40

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Solution

The fourth proportional to 410,122.80, 614,665.80 and 365,540.40 is: 547,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,122.80 : 614,665.80 = 365,540.40 : x
  2. Step 2: Convert to fraction form
    410,122.80/614,665.80 = 365,540.40/x
  3. Step 3: Cross multiply
    410,122.80x = 614,665.80 × 365,540.40
  4. Step 4: Simplify right side
    410,122.80x = 224,685,182,398.32
  5. Step 5: Solve for x
    x = 224,685,182,398.32/410,122.80
  6. Step 6: Final answer
    x = 547,848.55

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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.