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Finding the Fourth Proportional to 896,356.80, 1,344,502.80 and 363,862.80

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Solution

The fourth proportional to 896,356.80, 1,344,502.80 and 363,862.80 is: 545,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,356.80 : 1,344,502.80 = 363,862.80 : x
  2. Step 2: Convert to fraction form
    896,356.80/1,344,502.80 = 363,862.80/x
  3. Step 3: Cross multiply
    896,356.80x = 1,344,502.80 × 363,862.80
  4. Step 4: Simplify right side
    896,356.80x = 489,214,553,415.84
  5. Step 5: Solve for x
    x = 489,214,553,415.84/896,356.80
  6. Step 6: Final answer
    x = 545,781.05

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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.