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Finding the Fourth Proportional to 583,680.64, 875,455.32 and 157,247.98

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Solution

The fourth proportional to 583,680.64, 875,455.32 and 157,247.98 is: 235,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,680.64 : 875,455.32 = 157,247.98 : x
  2. Step 2: Convert to fraction form
    583,680.64/875,455.32 = 157,247.98/x
  3. Step 3: Cross multiply
    583,680.64x = 875,455.32 × 157,247.98
  4. Step 4: Simplify right side
    583,680.64x = 137,663,580,650.25
  5. Step 5: Solve for x
    x = 137,663,580,650.25/583,680.64
  6. Step 6: Final answer
    x = 235,854.29

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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.