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Finding the Fourth Proportional to 315,790.98, 473,874.07 and 116,251.50

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Solution

The fourth proportional to 315,790.98, 473,874.07 and 116,251.50 is: 174,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,790.98 : 473,874.07 = 116,251.50 : x
  2. Step 2: Convert to fraction form
    315,790.98/473,874.07 = 116,251.50/x
  3. Step 3: Cross multiply
    315,790.98x = 473,874.07 × 116,251.50
  4. Step 4: Simplify right side
    315,790.98x = 55,088,573,479.93
  5. Step 5: Solve for x
    x = 55,088,573,479.93/315,790.98
  6. Step 6: Final answer
    x = 174,446.32

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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.