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Finding the Fourth Proportional to 287,377.48, 396,593.16 and 160,053.06

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Solution

The fourth proportional to 287,377.48, 396,593.16 and 160,053.06 is: 220,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,377.48 : 396,593.16 = 160,053.06 : x
  2. Step 2: Convert to fraction form
    287,377.48/396,593.16 = 160,053.06/x
  3. Step 3: Cross multiply
    287,377.48x = 396,593.16 × 160,053.06
  4. Step 4: Simplify right side
    287,377.48x = 63,475,948,833.07
  5. Step 5: Solve for x
    x = 63,475,948,833.07/287,377.48
  6. Step 6: Final answer
    x = 220,880.04

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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.