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Finding the Fourth Proportional to 1,831.23, 2,746.55 and 598.64

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Solution

The fourth proportional to 1,831.23, 2,746.55 and 598.64 is: 897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.23 : 2,746.55 = 598.64 : x
  2. Step 2: Convert to fraction form
    1,831.23/2,746.55 = 598.64/x
  3. Step 3: Cross multiply
    1,831.23x = 2,746.55 × 598.64
  4. Step 4: Simplify right side
    1,831.23x = 1,644,182.46
  5. Step 5: Solve for x
    x = 1,644,182.46/1,831.23
  6. Step 6: Final answer
    x = 897.86

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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.