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Finding the Fourth Proportional to 657,449.94, 986,231.13 and 230,948.49

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Solution

The fourth proportional to 657,449.94, 986,231.13 and 230,948.49 is: 346,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,449.94 : 986,231.13 = 230,948.49 : x
  2. Step 2: Convert to fraction form
    657,449.94/986,231.13 = 230,948.49/x
  3. Step 3: Cross multiply
    657,449.94x = 986,231.13 × 230,948.49
  4. Step 4: Simplify right side
    657,449.94x = 227,768,590,264.49
  5. Step 5: Solve for x
    x = 227,768,590,264.49/657,449.94
  6. Step 6: Final answer
    x = 346,442.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.