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Finding the Fourth Proportional to 329,842.35, 454,901.40 and 253,546.11

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Solution

The fourth proportional to 329,842.35, 454,901.40 and 253,546.11 is: 349,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,842.35 : 454,901.40 = 253,546.11 : x
  2. Step 2: Convert to fraction form
    329,842.35/454,901.40 = 253,546.11/x
  3. Step 3: Cross multiply
    329,842.35x = 454,901.40 × 253,546.11
  4. Step 4: Simplify right side
    329,842.35x = 115,338,480,403.55
  5. Step 5: Solve for x
    x = 115,338,480,403.55/329,842.35
  6. Step 6: Final answer
    x = 349,677.60

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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.