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Finding the Fourth Proportional to 562,540.38, 776,299.81 and 304,411.68

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Solution

The fourth proportional to 562,540.38, 776,299.81 and 304,411.68 is: 420,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,540.38 : 776,299.81 = 304,411.68 : x
  2. Step 2: Convert to fraction form
    562,540.38/776,299.81 = 304,411.68/x
  3. Step 3: Cross multiply
    562,540.38x = 776,299.81 × 304,411.68
  4. Step 4: Simplify right side
    562,540.38x = 236,314,729,345.78
  5. Step 5: Solve for x
    x = 236,314,729,345.78/562,540.38
  6. Step 6: Final answer
    x = 420,084.92

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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.