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Finding the Fourth Proportional to 713,689.92, 1,070,535.69 and 240,335.64

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Solution

The fourth proportional to 713,689.92, 1,070,535.69 and 240,335.64 is: 360,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,689.92 : 1,070,535.69 = 240,335.64 : x
  2. Step 2: Convert to fraction form
    713,689.92/1,070,535.69 = 240,335.64/x
  3. Step 3: Cross multiply
    713,689.92x = 1,070,535.69 × 240,335.64
  4. Step 4: Simplify right side
    713,689.92x = 257,287,880,198.99
  5. Step 5: Solve for x
    x = 257,287,880,198.99/713,689.92
  6. Step 6: Final answer
    x = 360,503.73

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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.