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Finding the Fourth Proportional to 677,444.19, 934,874.31 and 371,522.73

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Solution

The fourth proportional to 677,444.19, 934,874.31 and 371,522.73 is: 512,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,444.19 : 934,874.31 = 371,522.73 : x
  2. Step 2: Convert to fraction form
    677,444.19/934,874.31 = 371,522.73/x
  3. Step 3: Cross multiply
    677,444.19x = 934,874.31 × 371,522.73
  4. Step 4: Simplify right side
    677,444.19x = 347,327,055,858.07
  5. Step 5: Solve for x
    x = 347,327,055,858.07/677,444.19
  6. Step 6: Final answer
    x = 512,702.10

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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.