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Finding the Fourth Proportional to 880,700.74, 1,321,048.68 and 249,620.02

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Solution

The fourth proportional to 880,700.74, 1,321,048.68 and 249,620.02 is: 374,429.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,700.74 : 1,321,048.68 = 249,620.02 : x
  2. Step 2: Convert to fraction form
    880,700.74/1,321,048.68 = 249,620.02/x
  3. Step 3: Cross multiply
    880,700.74x = 1,321,048.68 × 249,620.02
  4. Step 4: Simplify right side
    880,700.74x = 329,760,197,922.57
  5. Step 5: Solve for x
    x = 329,760,197,922.57/880,700.74
  6. Step 6: Final answer
    x = 374,429.34

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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.