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Finding the Fourth Proportional to 347,407.48, 479,041.59 and 226,324.23

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Solution

The fourth proportional to 347,407.48, 479,041.59 and 226,324.23 is: 312,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,407.48 : 479,041.59 = 226,324.23 : x
  2. Step 2: Convert to fraction form
    347,407.48/479,041.59 = 226,324.23/x
  3. Step 3: Cross multiply
    347,407.48x = 479,041.59 × 226,324.23
  4. Step 4: Simplify right side
    347,407.48x = 108,418,718,994.73
  5. Step 5: Solve for x
    x = 108,418,718,994.73/347,407.48
  6. Step 6: Final answer
    x = 312,079.40

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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.