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Finding the Fourth Proportional to 542,514.48, 748,648.08 and 297,494.16

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Solution

The fourth proportional to 542,514.48, 748,648.08 and 297,494.16 is: 410,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,514.48 : 748,648.08 = 297,494.16 : x
  2. Step 2: Convert to fraction form
    542,514.48/748,648.08 = 297,494.16/x
  3. Step 3: Cross multiply
    542,514.48x = 748,648.08 × 297,494.16
  4. Step 4: Simplify right side
    542,514.48x = 222,718,431,695.21
  5. Step 5: Solve for x
    x = 222,718,431,695.21/542,514.48
  6. Step 6: Final answer
    x = 410,529.93

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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.