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Finding the Fourth Proportional to 548,095.96, 756,275.68 and 306,301.24

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Solution

The fourth proportional to 548,095.96, 756,275.68 and 306,301.24 is: 422,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,095.96 : 756,275.68 = 306,301.24 : x
  2. Step 2: Convert to fraction form
    548,095.96/756,275.68 = 306,301.24/x
  3. Step 3: Cross multiply
    548,095.96x = 756,275.68 × 306,301.24
  4. Step 4: Simplify right side
    548,095.96x = 231,648,178,565.84
  5. Step 5: Solve for x
    x = 231,648,178,565.84/548,095.96
  6. Step 6: Final answer
    x = 422,641.65

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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.