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Finding the Fourth Proportional to 319,250.95, 440,592.57 and 176,024.59

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Solution

The fourth proportional to 319,250.95, 440,592.57 and 176,024.59 is: 242,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,250.95 : 440,592.57 = 176,024.59 : x
  2. Step 2: Convert to fraction form
    319,250.95/440,592.57 = 176,024.59/x
  3. Step 3: Cross multiply
    319,250.95x = 440,592.57 × 176,024.59
  4. Step 4: Simplify right side
    319,250.95x = 77,555,126,491.30
  5. Step 5: Solve for x
    x = 77,555,126,491.30/319,250.95
  6. Step 6: Final answer
    x = 242,928.41

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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.