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Finding the Fourth Proportional to 522,029.80, 783,044.70 and 344,882.80

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Solution

The fourth proportional to 522,029.80, 783,044.70 and 344,882.80 is: 517,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,029.80 : 783,044.70 = 344,882.80 : x
  2. Step 2: Convert to fraction form
    522,029.80/783,044.70 = 344,882.80/x
  3. Step 3: Cross multiply
    522,029.80x = 783,044.70 × 344,882.80
  4. Step 4: Simplify right side
    522,029.80x = 270,058,648,661.16
  5. Step 5: Solve for x
    x = 270,058,648,661.16/522,029.80
  6. Step 6: Final answer
    x = 517,324.20

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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.