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Finding the Fourth Proportional to 563,488.32, 845,370.18 and 164,122.68

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Solution

The fourth proportional to 563,488.32, 845,370.18 and 164,122.68 is: 246,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,488.32 : 845,370.18 = 164,122.68 : x
  2. Step 2: Convert to fraction form
    563,488.32/845,370.18 = 164,122.68/x
  3. Step 3: Cross multiply
    563,488.32x = 845,370.18 × 164,122.68
  4. Step 4: Simplify right side
    563,488.32x = 138,744,419,533.68
  5. Step 5: Solve for x
    x = 138,744,419,533.68/563,488.32
  6. Step 6: Final answer
    x = 246,224.13

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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.