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Finding the Fourth Proportional to 583,391.84, 875,216.16 and 178,587.26

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Solution

The fourth proportional to 583,391.84, 875,216.16 and 178,587.26 is: 267,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,391.84 : 875,216.16 = 178,587.26 : x
  2. Step 2: Convert to fraction form
    583,391.84/875,216.16 = 178,587.26/x
  3. Step 3: Cross multiply
    583,391.84x = 875,216.16 × 178,587.26
  4. Step 4: Simplify right side
    583,391.84x = 156,302,455,922.12
  5. Step 5: Solve for x
    x = 156,302,455,922.12/583,391.84
  6. Step 6: Final answer
    x = 267,920.20

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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.