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Finding the Fourth Proportional to 579,230.40, 868,154.40 and 298,603.20

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Solution

The fourth proportional to 579,230.40, 868,154.40 and 298,603.20 is: 447,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,230.40 : 868,154.40 = 298,603.20 : x
  2. Step 2: Convert to fraction form
    579,230.40/868,154.40 = 298,603.20/x
  3. Step 3: Cross multiply
    579,230.40x = 868,154.40 × 298,603.20
  4. Step 4: Simplify right side
    579,230.40x = 259,233,681,934.08
  5. Step 5: Solve for x
    x = 259,233,681,934.08/579,230.40
  6. Step 6: Final answer
    x = 447,548.47

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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.