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Finding the Fourth Proportional to 434,614.80, 651,403.80 and 181,894.80

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Solution

The fourth proportional to 434,614.80, 651,403.80 and 181,894.80 is: 272,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,614.80 : 651,403.80 = 181,894.80 : x
  2. Step 2: Convert to fraction form
    434,614.80/651,403.80 = 181,894.80/x
  3. Step 3: Cross multiply
    434,614.80x = 651,403.80 × 181,894.80
  4. Step 4: Simplify right side
    434,614.80x = 118,486,963,920.24
  5. Step 5: Solve for x
    x = 118,486,963,920.24/434,614.80
  6. Step 6: Final answer
    x = 272,625.24

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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.