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Finding the Fourth Proportional to 530,734.60, 796,101.90 and 341,777.80

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Solution

The fourth proportional to 530,734.60, 796,101.90 and 341,777.80 is: 512,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,734.60 : 796,101.90 = 341,777.80 : x
  2. Step 2: Convert to fraction form
    530,734.60/796,101.90 = 341,777.80/x
  3. Step 3: Cross multiply
    530,734.60x = 796,101.90 × 341,777.80
  4. Step 4: Simplify right side
    530,734.60x = 272,089,955,957.82
  5. Step 5: Solve for x
    x = 272,089,955,957.82/530,734.60
  6. Step 6: Final answer
    x = 512,666.70

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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.