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Finding the Fourth Proportional to 310,220.32, 465,423.84 and 110,514.64

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Solution

The fourth proportional to 310,220.32, 465,423.84 and 110,514.64 is: 165,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,220.32 : 465,423.84 = 110,514.64 : x
  2. Step 2: Convert to fraction form
    310,220.32/465,423.84 = 110,514.64/x
  3. Step 3: Cross multiply
    310,220.32x = 465,423.84 × 110,514.64
  4. Step 4: Simplify right side
    310,220.32x = 51,436,148,125.02
  5. Step 5: Solve for x
    x = 51,436,148,125.02/310,220.32
  6. Step 6: Final answer
    x = 165,805.22

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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.