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Finding the Fourth Proportional to 533,748.80, 800,623.20 and 510,712.40

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Solution

The fourth proportional to 533,748.80, 800,623.20 and 510,712.40 is: 766,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,748.80 : 800,623.20 = 510,712.40 : x
  2. Step 2: Convert to fraction form
    533,748.80/800,623.20 = 510,712.40/x
  3. Step 3: Cross multiply
    533,748.80x = 800,623.20 × 510,712.40
  4. Step 4: Simplify right side
    533,748.80x = 408,888,195,967.68
  5. Step 5: Solve for x
    x = 408,888,195,967.68/533,748.80
  6. Step 6: Final answer
    x = 766,068.60

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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.