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Finding the Fourth Proportional to 374,671.20, 517,053.80 and 204,916.24

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Solution

The fourth proportional to 374,671.20, 517,053.80 and 204,916.24 is: 282,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,671.20 : 517,053.80 = 204,916.24 : x
  2. Step 2: Convert to fraction form
    374,671.20/517,053.80 = 204,916.24/x
  3. Step 3: Cross multiply
    374,671.20x = 517,053.80 × 204,916.24
  4. Step 4: Simplify right side
    374,671.20x = 105,952,720,573.71
  5. Step 5: Solve for x
    x = 105,952,720,573.71/374,671.20
  6. Step 6: Final answer
    x = 282,788.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.