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Finding the Fourth Proportional to 374,669.68, 561,429.96 and 254,573.68

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Solution

The fourth proportional to 374,669.68, 561,429.96 and 254,573.68 is: 381,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,669.68 : 561,429.96 = 254,573.68 : x
  2. Step 2: Convert to fraction form
    374,669.68/561,429.96 = 254,573.68/x
  3. Step 3: Cross multiply
    374,669.68x = 561,429.96 × 254,573.68
  4. Step 4: Simplify right side
    374,669.68x = 142,925,290,979.45
  5. Step 5: Solve for x
    x = 142,925,290,979.45/374,669.68
  6. Step 6: Final answer
    x = 381,470.13

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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.