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Finding the Fourth Proportional to 575,876.76, 794,281.50 and 422,866.92

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Solution

The fourth proportional to 575,876.76, 794,281.50 and 422,866.92 is: 583,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,876.76 : 794,281.50 = 422,866.92 : x
  2. Step 2: Convert to fraction form
    575,876.76/794,281.50 = 422,866.92/x
  3. Step 3: Cross multiply
    575,876.76x = 794,281.50 × 422,866.92
  4. Step 4: Simplify right side
    575,876.76x = 335,875,371,517.98
  5. Step 5: Solve for x
    x = 335,875,371,517.98/575,876.76
  6. Step 6: Final answer
    x = 583,241.75

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Double scale
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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.