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Finding the Fourth Proportional to 504,063.60, 756,095.40 and 326,770.80

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Solution

The fourth proportional to 504,063.60, 756,095.40 and 326,770.80 is: 490,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,063.60 : 756,095.40 = 326,770.80 : x
  2. Step 2: Convert to fraction form
    504,063.60/756,095.40 = 326,770.80/x
  3. Step 3: Cross multiply
    504,063.60x = 756,095.40 × 326,770.80
  4. Step 4: Simplify right side
    504,063.60x = 247,069,898,734.32
  5. Step 5: Solve for x
    x = 247,069,898,734.32/504,063.60
  6. Step 6: Final answer
    x = 490,156.20

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Similar ratio
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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.