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Finding the Fourth Proportional to 496,310.76, 684,888.12 and 292,370.04

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Solution

The fourth proportional to 496,310.76, 684,888.12 and 292,370.04 is: 403,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,310.76 : 684,888.12 = 292,370.04 : x
  2. Step 2: Convert to fraction form
    496,310.76/684,888.12 = 292,370.04/x
  3. Step 3: Cross multiply
    496,310.76x = 684,888.12 × 292,370.04
  4. Step 4: Simplify right side
    496,310.76x = 200,240,767,039.93
  5. Step 5: Solve for x
    x = 200,240,767,039.93/496,310.76
  6. Step 6: Final answer
    x = 403,458.44

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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.