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Finding the Fourth Proportional to 496,315.66, 684,976.40 and 292,356.04

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Solution

The fourth proportional to 496,315.66, 684,976.40 and 292,356.04 is: 403,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,315.66 : 684,976.40 = 292,356.04 : x
  2. Step 2: Convert to fraction form
    496,315.66/684,976.40 = 292,356.04/x
  3. Step 3: Cross multiply
    496,315.66x = 684,976.40 × 292,356.04
  4. Step 4: Simplify right side
    496,315.66x = 200,256,987,797.46
  5. Step 5: Solve for x
    x = 200,256,987,797.46/496,315.66
  6. Step 6: Final answer
    x = 403,487.14

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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.