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Finding the Fourth Proportional to 676,169.28, 933,127.92 and 370,258.56

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Solution

The fourth proportional to 676,169.28, 933,127.92 and 370,258.56 is: 510,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,169.28 : 933,127.92 = 370,258.56 : x
  2. Step 2: Convert to fraction form
    676,169.28/933,127.92 = 370,258.56/x
  3. Step 3: Cross multiply
    676,169.28x = 933,127.92 × 370,258.56
  4. Step 4: Simplify right side
    676,169.28x = 345,498,599,955.00
  5. Step 5: Solve for x
    x = 345,498,599,955.00/676,169.28
  6. Step 6: Final answer
    x = 510,964.65

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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.