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Finding the Fourth Proportional to 316,794.13, 437,172.25 and 171,597.17

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Solution

The fourth proportional to 316,794.13, 437,172.25 and 171,597.17 is: 236,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,794.13 : 437,172.25 = 171,597.17 : x
  2. Step 2: Convert to fraction form
    316,794.13/437,172.25 = 171,597.17/x
  3. Step 3: Cross multiply
    316,794.13x = 437,172.25 × 171,597.17
  4. Step 4: Simplify right side
    316,794.13x = 75,017,520,902.53
  5. Step 5: Solve for x
    x = 75,017,520,902.53/316,794.13
  6. Step 6: Final answer
    x = 236,802.12

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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.