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Finding the Fourth Proportional to 576,051.90, 864,077.85 and 292,616.70

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Solution

The fourth proportional to 576,051.90, 864,077.85 and 292,616.70 is: 438,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,051.90 : 864,077.85 = 292,616.70 : x
  2. Step 2: Convert to fraction form
    576,051.90/864,077.85 = 292,616.70/x
  3. Step 3: Cross multiply
    576,051.90x = 864,077.85 × 292,616.70
  4. Step 4: Simplify right side
    576,051.90x = 252,843,609,010.10
  5. Step 5: Solve for x
    x = 252,843,609,010.10/576,051.90
  6. Step 6: Final answer
    x = 438,925.05

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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.