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Finding the Fourth Proportional to 240,557.80, 360,836.70 and 115,911.40

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Solution

The fourth proportional to 240,557.80, 360,836.70 and 115,911.40 is: 173,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,557.80 : 360,836.70 = 115,911.40 : x
  2. Step 2: Convert to fraction form
    240,557.80/360,836.70 = 115,911.40/x
  3. Step 3: Cross multiply
    240,557.80x = 360,836.70 × 115,911.40
  4. Step 4: Simplify right side
    240,557.80x = 41,825,087,068.38
  5. Step 5: Solve for x
    x = 41,825,087,068.38/240,557.80
  6. Step 6: Final answer
    x = 173,867.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.