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Finding the Fourth Proportional to 316,996.52, 437,448.28 and 173,753.48

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Solution

The fourth proportional to 316,996.52, 437,448.28 and 173,753.48 is: 239,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,996.52 : 437,448.28 = 173,753.48 : x
  2. Step 2: Convert to fraction form
    316,996.52/437,448.28 = 173,753.48/x
  3. Step 3: Cross multiply
    316,996.52x = 437,448.28 × 173,753.48
  4. Step 4: Simplify right side
    316,996.52x = 76,008,160,970.01
  5. Step 5: Solve for x
    x = 76,008,160,970.01/316,996.52
  6. Step 6: Final answer
    x = 239,776.01

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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.