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Finding the Fourth Proportional to 610,467.60, 914,923.80 and 444,061.20

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Solution

The fourth proportional to 610,467.60, 914,923.80 and 444,061.20 is: 665,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,467.60 : 914,923.80 = 444,061.20 : x
  2. Step 2: Convert to fraction form
    610,467.60/914,923.80 = 444,061.20/x
  3. Step 3: Cross multiply
    610,467.60x = 914,923.80 × 444,061.20
  4. Step 4: Simplify right side
    610,467.60x = 406,282,160,536.56
  5. Step 5: Solve for x
    x = 406,282,160,536.56/610,467.60
  6. Step 6: Final answer
    x = 665,526.16

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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.