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Finding the Fourth Proportional to 317,754.04, 438,503.58 and 174,517

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Solution

The fourth proportional to 317,754.04, 438,503.58 and 174,517 is: 240,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,754.04 : 438,503.58 = 174,517 : x
  2. Step 2: Convert to fraction form
    317,754.04/438,503.58 = 174,517/x
  3. Step 3: Cross multiply
    317,754.04x = 438,503.58 × 174,517
  4. Step 4: Simplify right side
    317,754.04x = 76,526,329,270.86
  5. Step 5: Solve for x
    x = 76,526,329,270.86/317,754.04
  6. Step 6: Final answer
    x = 240,835.11

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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.