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Finding the Fourth Proportional to 651,042.72, 898,429.11 and 364,573.08

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Solution

The fourth proportional to 651,042.72, 898,429.11 and 364,573.08 is: 503,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,042.72 : 898,429.11 = 364,573.08 : x
  2. Step 2: Convert to fraction form
    651,042.72/898,429.11 = 364,573.08/x
  3. Step 3: Cross multiply
    651,042.72x = 898,429.11 × 364,573.08
  4. Step 4: Simplify right side
    651,042.72x = 327,543,067,794.36
  5. Step 5: Solve for x
    x = 327,543,067,794.36/651,042.72
  6. Step 6: Final answer
    x = 503,105.34

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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.