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Finding the Fourth Proportional to 677,862.24, 935,451 and 376,056.24

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Solution

The fourth proportional to 677,862.24, 935,451 and 376,056.24 is: 518,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,862.24 : 935,451 = 376,056.24 : x
  2. Step 2: Convert to fraction form
    677,862.24/935,451 = 376,056.24/x
  3. Step 3: Cross multiply
    677,862.24x = 935,451 × 376,056.24
  4. Step 4: Simplify right side
    677,862.24x = 351,782,185,764.24
  5. Step 5: Solve for x
    x = 351,782,185,764.24/677,862.24
  6. Step 6: Final answer
    x = 518,958.23

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Double scale
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Similar ratio
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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.