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Finding the Fourth Proportional to 400,319.93, 600,385.57 and 147,463.11

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Solution

The fourth proportional to 400,319.93, 600,385.57 and 147,463.11 is: 221,159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,319.93 : 600,385.57 = 147,463.11 : x
  2. Step 2: Convert to fraction form
    400,319.93/600,385.57 = 147,463.11/x
  3. Step 3: Cross multiply
    400,319.93x = 600,385.57 × 147,463.11
  4. Step 4: Simplify right side
    400,319.93x = 88,534,723,351.32
  5. Step 5: Solve for x
    x = 88,534,723,351.32/400,319.93
  6. Step 6: Final answer
    x = 221,159.92

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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.