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Finding the Fourth Proportional to 415,574.28, 573,492.60 and 236,726.28

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Solution

The fourth proportional to 415,574.28, 573,492.60 and 236,726.28 is: 326,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,574.28 : 573,492.60 = 236,726.28 : x
  2. Step 2: Convert to fraction form
    415,574.28/573,492.60 = 236,726.28/x
  3. Step 3: Cross multiply
    415,574.28x = 573,492.60 × 236,726.28
  4. Step 4: Simplify right side
    415,574.28x = 135,760,769,805.53
  5. Step 5: Solve for x
    x = 135,760,769,805.53/415,574.28
  6. Step 6: Final answer
    x = 326,682.32

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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.