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Finding the Fourth Proportional to 317,274.47, 437,838.77 and 174,034.85

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Solution

The fourth proportional to 317,274.47, 437,838.77 and 174,034.85 is: 240,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,274.47 : 437,838.77 = 174,034.85 : x
  2. Step 2: Convert to fraction form
    317,274.47/437,838.77 = 174,034.85/x
  3. Step 3: Cross multiply
    317,274.47x = 437,838.77 × 174,034.85
  4. Step 4: Simplify right side
    317,274.47x = 76,199,205,622.35
  5. Step 5: Solve for x
    x = 76,199,205,622.35/317,274.47
  6. Step 6: Final answer
    x = 240,168.10

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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.