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Finding the Fourth Proportional to 583,321.15, 875,931 and 360,100.54

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Solution

The fourth proportional to 583,321.15, 875,931 and 360,100.54 is: 540,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,321.15 : 875,931 = 360,100.54 : x
  2. Step 2: Convert to fraction form
    583,321.15/875,931 = 360,100.54/x
  3. Step 3: Cross multiply
    583,321.15x = 875,931 × 360,100.54
  4. Step 4: Simplify right side
    583,321.15x = 315,423,221,723.09
  5. Step 5: Solve for x
    x = 315,423,221,723.09/583,321.15
  6. Step 6: Final answer
    x = 540,736.82

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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.