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Finding the Fourth Proportional to 922,677.04, 1,383,856 and 417,120.48

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Solution

The fourth proportional to 922,677.04, 1,383,856 and 417,120.48 is: 625,608.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,677.04 : 1,383,856 = 417,120.48 : x
  2. Step 2: Convert to fraction form
    922,677.04/1,383,856 = 417,120.48/x
  3. Step 3: Cross multiply
    922,677.04x = 1,383,856 × 417,120.48
  4. Step 4: Simplify right side
    922,677.04x = 577,234,678,970.88
  5. Step 5: Solve for x
    x = 577,234,678,970.88/922,677.04
  6. Step 6: Final answer
    x = 625,608.59

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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.