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Finding the Fourth Proportional to 415,859.80, 573,873.66 and 234,569.12

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Solution

The fourth proportional to 415,859.80, 573,873.66 and 234,569.12 is: 323,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,859.80 : 573,873.66 = 234,569.12 : x
  2. Step 2: Convert to fraction form
    415,859.80/573,873.66 = 234,569.12/x
  3. Step 3: Cross multiply
    415,859.80x = 573,873.66 × 234,569.12
  4. Step 4: Simplify right side
    415,859.80x = 134,613,039,417.38
  5. Step 5: Solve for x
    x = 134,613,039,417.38/415,859.80
  6. Step 6: Final answer
    x = 323,698.13

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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.