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Finding the Fourth Proportional to 607,600.80, 910,963.80 and 341,442.90

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Solution

The fourth proportional to 607,600.80, 910,963.80 and 341,442.90 is: 511,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,600.80 : 910,963.80 = 341,442.90 : x
  2. Step 2: Convert to fraction form
    607,600.80/910,963.80 = 341,442.90/x
  3. Step 3: Cross multiply
    607,600.80x = 910,963.80 × 341,442.90
  4. Step 4: Simplify right side
    607,600.80x = 311,042,121,667.02
  5. Step 5: Solve for x
    x = 311,042,121,667.02/607,600.80
  6. Step 6: Final answer
    x = 511,918.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.