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Finding the Fourth Proportional to 374,885.40, 516,973.24 and 343,767.13

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Solution

The fourth proportional to 374,885.40, 516,973.24 and 343,767.13 is: 474,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,885.40 : 516,973.24 = 343,767.13 : x
  2. Step 2: Convert to fraction form
    374,885.40/516,973.24 = 343,767.13/x
  3. Step 3: Cross multiply
    374,885.40x = 516,973.24 × 343,767.13
  4. Step 4: Simplify right side
    374,885.40x = 177,718,404,205.19
  5. Step 5: Solve for x
    x = 177,718,404,205.19/374,885.40
  6. Step 6: Final answer
    x = 474,060.61

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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.