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Finding the Fourth Proportional to 423,099.76, 583,842.65 and 232,113.15

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Solution

The fourth proportional to 423,099.76, 583,842.65 and 232,113.15 is: 320,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,099.76 : 583,842.65 = 232,113.15 : x
  2. Step 2: Convert to fraction form
    423,099.76/583,842.65 = 232,113.15/x
  3. Step 3: Cross multiply
    423,099.76x = 583,842.65 × 232,113.15
  4. Step 4: Simplify right side
    423,099.76x = 135,517,556,595.85
  5. Step 5: Solve for x
    x = 135,517,556,595.85/423,099.76
  6. Step 6: Final answer
    x = 320,296.94

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1.5x scale

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.