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Finding the Fourth Proportional to 319,765.49, 441,264.79 and 176,522.46

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Solution

The fourth proportional to 319,765.49, 441,264.79 and 176,522.46 is: 243,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,765.49 : 441,264.79 = 176,522.46 : x
  2. Step 2: Convert to fraction form
    319,765.49/441,264.79 = 176,522.46/x
  3. Step 3: Cross multiply
    319,765.49x = 441,264.79 × 176,522.46
  4. Step 4: Simplify right side
    319,765.49x = 77,893,144,311.62
  5. Step 5: Solve for x
    x = 77,893,144,311.62/319,765.49
  6. Step 6: Final answer
    x = 243,594.59

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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.