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Finding the Fourth Proportional to 272,302.10, 381,616.60 and 272,302.10

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Solution

The fourth proportional to 272,302.10, 381,616.60 and 272,302.10 is: 381,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,302.10 : 381,616.60 = 272,302.10 : x
  2. Step 2: Convert to fraction form
    272,302.10/381,616.60 = 272,302.10/x
  3. Step 3: Cross multiply
    272,302.10x = 381,616.60 × 272,302.10
  4. Step 4: Simplify right side
    272,302.10x = 103,915,001,574.86
  5. Step 5: Solve for x
    x = 103,915,001,574.86/272,302.10
  6. Step 6: Final answer
    x = 381,616.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.