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Finding the Fourth Proportional to 400,152.76, 600,397.62 and 175,397.20

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Solution

The fourth proportional to 400,152.76, 600,397.62 and 175,397.20 is: 263,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,152.76 : 600,397.62 = 175,397.20 : x
  2. Step 2: Convert to fraction form
    400,152.76/600,397.62 = 175,397.20/x
  3. Step 3: Cross multiply
    400,152.76x = 600,397.62 × 175,397.20
  4. Step 4: Simplify right side
    400,152.76x = 105,308,061,434.66
  5. Step 5: Solve for x
    x = 105,308,061,434.66/400,152.76
  6. Step 6: Final answer
    x = 263,169.65

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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.