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Finding the Fourth Proportional to 440,061.66, 606,770.73 and 408,175.20

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Solution

The fourth proportional to 440,061.66, 606,770.73 and 408,175.20 is: 562,804.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,061.66 : 606,770.73 = 408,175.20 : x
  2. Step 2: Convert to fraction form
    440,061.66/606,770.73 = 408,175.20/x
  3. Step 3: Cross multiply
    440,061.66x = 606,770.73 × 408,175.20
  4. Step 4: Simplify right side
    440,061.66x = 247,668,764,071.90
  5. Step 5: Solve for x
    x = 247,668,764,071.90/440,061.66
  6. Step 6: Final answer
    x = 562,804.69

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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.