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Finding the Fourth Proportional to 576,616.24, 795,214.20 and 361,779.76

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Solution

The fourth proportional to 576,616.24, 795,214.20 and 361,779.76 is: 498,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,616.24 : 795,214.20 = 361,779.76 : x
  2. Step 2: Convert to fraction form
    576,616.24/795,214.20 = 361,779.76/x
  3. Step 3: Cross multiply
    576,616.24x = 795,214.20 × 361,779.76
  4. Step 4: Simplify right side
    576,616.24x = 287,692,402,424.59
  5. Step 5: Solve for x
    x = 287,692,402,424.59/576,616.24
  6. Step 6: Final answer
    x = 498,932.19

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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.