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Finding the Fourth Proportional to 933,230.80, 1,397,221.80 and 838,752.40

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Solution

The fourth proportional to 933,230.80, 1,397,221.80 and 838,752.40 is: 1,255,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,230.80 : 1,397,221.80 = 838,752.40 : x
  2. Step 2: Convert to fraction form
    933,230.80/1,397,221.80 = 838,752.40/x
  3. Step 3: Cross multiply
    933,230.80x = 1,397,221.80 × 838,752.40
  4. Step 4: Simplify right side
    933,230.80x = 1,171,923,138,082.32
  5. Step 5: Solve for x
    x = 1,171,923,138,082.32/933,230.80
  6. Step 6: Final answer
    x = 1,255,769.89

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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.