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Finding the Fourth Proportional to 317,205.16, 437,747.52 and 173,955.76

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Solution

The fourth proportional to 317,205.16, 437,747.52 and 173,955.76 is: 240,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,205.16 : 437,747.52 = 173,955.76 : x
  2. Step 2: Convert to fraction form
    317,205.16/437,747.52 = 173,955.76/x
  3. Step 3: Cross multiply
    317,205.16x = 437,747.52 × 173,955.76
  4. Step 4: Simplify right side
    317,205.16x = 76,148,702,529.72
  5. Step 5: Solve for x
    x = 76,148,702,529.72/317,205.16
  6. Step 6: Final answer
    x = 240,061.36

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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.