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Finding the Fourth Proportional to 677,551.28, 935,014.40 and 371,621.44

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Solution

The fourth proportional to 677,551.28, 935,014.40 and 371,621.44 is: 512,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,551.28 : 935,014.40 = 371,621.44 : x
  2. Step 2: Convert to fraction form
    677,551.28/935,014.40 = 371,621.44/x
  3. Step 3: Cross multiply
    677,551.28x = 935,014.40 × 371,621.44
  4. Step 4: Simplify right side
    677,551.28x = 347,471,397,748.74
  5. Step 5: Solve for x
    x = 347,471,397,748.74/677,551.28
  6. Step 6: Final answer
    x = 512,834.10

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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.