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Finding the Fourth Proportional to 677,716.24, 935,224.52 and 375,938.32

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Solution

The fourth proportional to 677,716.24, 935,224.52 and 375,938.32 is: 518,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,716.24 : 935,224.52 = 375,938.32 : x
  2. Step 2: Convert to fraction form
    677,716.24/935,224.52 = 375,938.32/x
  3. Step 3: Cross multiply
    677,716.24x = 935,224.52 × 375,938.32
  4. Step 4: Simplify right side
    677,716.24x = 351,586,734,871.61
  5. Step 5: Solve for x
    x = 351,586,734,871.61/677,716.24
  6. Step 6: Final answer
    x = 518,781.63

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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.