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Finding the Fourth Proportional to 677,563.66, 935,014.35 and 375,785.74

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Solution

The fourth proportional to 677,563.66, 935,014.35 and 375,785.74 is: 518,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,563.66 : 935,014.35 = 375,785.74 : x
  2. Step 2: Convert to fraction form
    677,563.66/935,014.35 = 375,785.74/x
  3. Step 3: Cross multiply
    677,563.66x = 935,014.35 × 375,785.74
  4. Step 4: Simplify right side
    677,563.66x = 351,365,059,425.37
  5. Step 5: Solve for x
    x = 351,365,059,425.37/677,563.66
  6. Step 6: Final answer
    x = 518,571.29

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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.