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Finding the Fourth Proportional to 440,026.70, 660,034.47 and 140,503.48

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Solution

The fourth proportional to 440,026.70, 660,034.47 and 140,503.48 is: 210,753.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,026.70 : 660,034.47 = 140,503.48 : x
  2. Step 2: Convert to fraction form
    440,026.70/660,034.47 = 140,503.48/x
  3. Step 3: Cross multiply
    440,026.70x = 660,034.47 × 140,503.48
  4. Step 4: Simplify right side
    440,026.70x = 92,737,138,831.76
  5. Step 5: Solve for x
    x = 92,737,138,831.76/440,026.70
  6. Step 6: Final answer
    x = 210,753.44

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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.