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Finding the Fourth Proportional to 361,603.04, 498,966.08 and 200,456.64

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Solution

The fourth proportional to 361,603.04, 498,966.08 and 200,456.64 is: 276,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,603.04 : 498,966.08 = 200,456.64 : x
  2. Step 2: Convert to fraction form
    361,603.04/498,966.08 = 200,456.64/x
  3. Step 3: Cross multiply
    361,603.04x = 498,966.08 × 200,456.64
  4. Step 4: Simplify right side
    361,603.04x = 100,021,062,868.49
  5. Step 5: Solve for x
    x = 100,021,062,868.49/361,603.04
  6. Step 6: Final answer
    x = 276,604.60

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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.