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Finding the Fourth Proportional to 348,154.16, 480,451.92 and 197,251.16

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Solution

The fourth proportional to 348,154.16, 480,451.92 and 197,251.16 is: 272,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,154.16 : 480,451.92 = 197,251.16 : x
  2. Step 2: Convert to fraction form
    348,154.16/480,451.92 = 197,251.16/x
  3. Step 3: Cross multiply
    348,154.16x = 480,451.92 × 197,251.16
  4. Step 4: Simplify right side
    348,154.16x = 94,769,698,544.23
  5. Step 5: Solve for x
    x = 94,769,698,544.23/348,154.16
  6. Step 6: Final answer
    x = 272,206.14

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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.