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Finding the Fourth Proportional to 496,309.32, 684,721.32 and 292,235.52

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Solution

The fourth proportional to 496,309.32, 684,721.32 and 292,235.52 is: 403,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,309.32 : 684,721.32 = 292,235.52 : x
  2. Step 2: Convert to fraction form
    496,309.32/684,721.32 = 292,235.52/x
  3. Step 3: Cross multiply
    496,309.32x = 684,721.32 × 292,235.52
  4. Step 4: Simplify right side
    496,309.32x = 200,099,891,005.29
  5. Step 5: Solve for x
    x = 200,099,891,005.29/496,309.32
  6. Step 6: Final answer
    x = 403,175.77

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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.