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Finding the Fourth Proportional to 423,595.15, 584,565.37 and 232,612.54

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Solution

The fourth proportional to 423,595.15, 584,565.37 and 232,612.54 is: 321,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,595.15 : 584,565.37 = 232,612.54 : x
  2. Step 2: Convert to fraction form
    423,595.15/584,565.37 = 232,612.54/x
  3. Step 3: Cross multiply
    423,595.15x = 584,565.37 × 232,612.54
  4. Step 4: Simplify right side
    423,595.15x = 135,977,235,511.74
  5. Step 5: Solve for x
    x = 135,977,235,511.74/423,595.15
  6. Step 6: Final answer
    x = 321,007.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.