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Finding the Fourth Proportional to 374,145.32, 516,331.88 and 204,390.38

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Solution

The fourth proportional to 374,145.32, 516,331.88 and 204,390.38 is: 282,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,145.32 : 516,331.88 = 204,390.38 : x
  2. Step 2: Convert to fraction form
    374,145.32/516,331.88 = 204,390.38/x
  3. Step 3: Cross multiply
    374,145.32x = 516,331.88 × 204,390.38
  4. Step 4: Simplify right side
    374,145.32x = 105,533,269,159.31
  5. Step 5: Solve for x
    x = 105,533,269,159.31/374,145.32
  6. Step 6: Final answer
    x = 282,064.92

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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.