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Finding the Fourth Proportional to 308,441.04, 425,626.29 and 170,614.14

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Solution

The fourth proportional to 308,441.04, 425,626.29 and 170,614.14 is: 235,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,441.04 : 425,626.29 = 170,614.14 : x
  2. Step 2: Convert to fraction form
    308,441.04/425,626.29 = 170,614.14/x
  3. Step 3: Cross multiply
    308,441.04x = 425,626.29 × 170,614.14
  4. Step 4: Simplify right side
    308,441.04x = 72,617,863,429.74
  5. Step 5: Solve for x
    x = 72,617,863,429.74/308,441.04
  6. Step 6: Final answer
    x = 235,435.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.