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Finding the Fourth Proportional to 875,209.80, 1,312,698 and 244,070.76

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Solution

The fourth proportional to 875,209.80, 1,312,698 and 244,070.76 is: 366,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,209.80 : 1,312,698 = 244,070.76 : x
  2. Step 2: Convert to fraction form
    875,209.80/1,312,698 = 244,070.76/x
  3. Step 3: Cross multiply
    875,209.80x = 1,312,698 × 244,070.76
  4. Step 4: Simplify right side
    875,209.80x = 320,391,198,510.48
  5. Step 5: Solve for x
    x = 320,391,198,510.48/875,209.80
  6. Step 6: Final answer
    x = 366,073.60

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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.