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Finding the Fourth Proportional to 317,230.49, 437,806.15 and 174,018.44

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Solution

The fourth proportional to 317,230.49, 437,806.15 and 174,018.44 is: 240,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,230.49 : 437,806.15 = 174,018.44 : x
  2. Step 2: Convert to fraction form
    317,230.49/437,806.15 = 174,018.44/x
  3. Step 3: Cross multiply
    317,230.49x = 437,806.15 × 174,018.44
  4. Step 4: Simplify right side
    317,230.49x = 76,186,343,904.88
  5. Step 5: Solve for x
    x = 76,186,343,904.88/317,230.49
  6. Step 6: Final answer
    x = 240,160.85

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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.