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Finding the Fourth Proportional to 607,935.33, 911,114.28 and 247,687.20

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Solution

The fourth proportional to 607,935.33, 911,114.28 and 247,687.20 is: 371,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,935.33 : 911,114.28 = 247,687.20 : x
  2. Step 2: Convert to fraction form
    607,935.33/911,114.28 = 247,687.20/x
  3. Step 3: Cross multiply
    607,935.33x = 911,114.28 × 247,687.20
  4. Step 4: Simplify right side
    607,935.33x = 225,671,344,893.22
  5. Step 5: Solve for x
    x = 225,671,344,893.22/607,935.33
  6. Step 6: Final answer
    x = 371,209.46

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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.