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Finding the Fourth Proportional to 434,626.80, 651,421.80 and 181,906.80

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Solution

The fourth proportional to 434,626.80, 651,421.80 and 181,906.80 is: 272,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,626.80 : 651,421.80 = 181,906.80 : x
  2. Step 2: Convert to fraction form
    434,626.80/651,421.80 = 181,906.80/x
  3. Step 3: Cross multiply
    434,626.80x = 651,421.80 × 181,906.80
  4. Step 4: Simplify right side
    434,626.80x = 118,498,055,088.24
  5. Step 5: Solve for x
    x = 118,498,055,088.24/434,626.80
  6. Step 6: Final answer
    x = 272,643.23

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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.