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Finding the Fourth Proportional to 371,331.44, 512,293.84 and 210,149.52

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Solution

The fourth proportional to 371,331.44, 512,293.84 and 210,149.52 is: 289,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,331.44 : 512,293.84 = 210,149.52 : x
  2. Step 2: Convert to fraction form
    371,331.44/512,293.84 = 210,149.52/x
  3. Step 3: Cross multiply
    371,331.44x = 512,293.84 × 210,149.52
  4. Step 4: Simplify right side
    371,331.44x = 107,658,304,574.96
  5. Step 5: Solve for x
    x = 107,658,304,574.96/371,331.44
  6. Step 6: Final answer
    x = 289,925.10

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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.