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Finding the Fourth Proportional to 384,116.80, 576,002.40 and 173,646.40

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Solution

The fourth proportional to 384,116.80, 576,002.40 and 173,646.40 is: 260,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,116.80 : 576,002.40 = 173,646.40 : x
  2. Step 2: Convert to fraction form
    384,116.80/576,002.40 = 173,646.40/x
  3. Step 3: Cross multiply
    384,116.80x = 576,002.40 × 173,646.40
  4. Step 4: Simplify right side
    384,116.80x = 100,020,743,151.36
  5. Step 5: Solve for x
    x = 100,020,743,151.36/384,116.80
  6. Step 6: Final answer
    x = 260,391.48

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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.