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Finding the Fourth Proportional to 244,870.40, 367,240.80 and 76,390.40

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Solution

The fourth proportional to 244,870.40, 367,240.80 and 76,390.40 is: 114,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,870.40 : 367,240.80 = 76,390.40 : x
  2. Step 2: Convert to fraction form
    244,870.40/367,240.80 = 76,390.40/x
  3. Step 3: Cross multiply
    244,870.40x = 367,240.80 × 76,390.40
  4. Step 4: Simplify right side
    244,870.40x = 28,053,671,608.32
  5. Step 5: Solve for x
    x = 28,053,671,608.32/244,870.40
  6. Step 6: Final answer
    x = 114,565.38

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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.