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Finding the Fourth Proportional to 683,575.90, 943,600.46 and 611,831.36

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Solution

The fourth proportional to 683,575.90, 943,600.46 and 611,831.36 is: 844,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,575.90 : 943,600.46 = 611,831.36 : x
  2. Step 2: Convert to fraction form
    683,575.90/943,600.46 = 611,831.36/x
  3. Step 3: Cross multiply
    683,575.90x = 943,600.46 × 611,831.36
  4. Step 4: Simplify right side
    683,575.90x = 577,324,352,001.92
  5. Step 5: Solve for x
    x = 577,324,352,001.92/683,575.90
  6. Step 6: Final answer
    x = 844,565.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.