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Finding the Fourth Proportional to 675,932.28, 932,722.74 and 403,946.03

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Solution

The fourth proportional to 675,932.28, 932,722.74 and 403,946.03 is: 557,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,932.28 : 932,722.74 = 403,946.03 : x
  2. Step 2: Convert to fraction form
    675,932.28/932,722.74 = 403,946.03/x
  3. Step 3: Cross multiply
    675,932.28x = 932,722.74 × 403,946.03
  4. Step 4: Simplify right side
    675,932.28x = 376,769,643,250.11
  5. Step 5: Solve for x
    x = 376,769,643,250.11/675,932.28
  6. Step 6: Final answer
    x = 557,407.38

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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.