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Finding the Fourth Proportional to 723,524.58, 998,448.30 and 417,576.96

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Solution

The fourth proportional to 723,524.58, 998,448.30 and 417,576.96 is: 576,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,524.58 : 998,448.30 = 417,576.96 : x
  2. Step 2: Convert to fraction form
    723,524.58/998,448.30 = 417,576.96/x
  3. Step 3: Cross multiply
    723,524.58x = 998,448.30 × 417,576.96
  4. Step 4: Simplify right side
    723,524.58x = 416,929,005,831.17
  5. Step 5: Solve for x
    x = 416,929,005,831.17/723,524.58
  6. Step 6: Final answer
    x = 576,247.19

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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.