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Finding the Fourth Proportional to 317,048.96, 437,524.80 and 173,806.40

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Solution

The fourth proportional to 317,048.96, 437,524.80 and 173,806.40 is: 239,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,048.96 : 437,524.80 = 173,806.40 : x
  2. Step 2: Convert to fraction form
    317,048.96/437,524.80 = 173,806.40/x
  3. Step 3: Cross multiply
    317,048.96x = 437,524.80 × 173,806.40
  4. Step 4: Simplify right side
    317,048.96x = 76,044,610,398.72
  5. Step 5: Solve for x
    x = 76,044,610,398.72/317,048.96
  6. Step 6: Final answer
    x = 239,851.32

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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.