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Finding the Fourth Proportional to 440,518.44, 660,750.90 and 156,223.08

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Solution

The fourth proportional to 440,518.44, 660,750.90 and 156,223.08 is: 234,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,518.44 : 660,750.90 = 156,223.08 : x
  2. Step 2: Convert to fraction form
    440,518.44/660,750.90 = 156,223.08/x
  3. Step 3: Cross multiply
    440,518.44x = 660,750.90 × 156,223.08
  4. Step 4: Simplify right side
    440,518.44x = 103,224,540,710.77
  5. Step 5: Solve for x
    x = 103,224,540,710.77/440,518.44
  6. Step 6: Final answer
    x = 234,325.13

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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.