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Finding the Fourth Proportional to 510,865.56, 766,298.34 and 155,881.44

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Solution

The fourth proportional to 510,865.56, 766,298.34 and 155,881.44 is: 233,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,865.56 : 766,298.34 = 155,881.44 : x
  2. Step 2: Convert to fraction form
    510,865.56/766,298.34 = 155,881.44/x
  3. Step 3: Cross multiply
    510,865.56x = 766,298.34 × 155,881.44
  4. Step 4: Simplify right side
    510,865.56x = 119,451,688,708.81
  5. Step 5: Solve for x
    x = 119,451,688,708.81/510,865.56
  6. Step 6: Final answer
    x = 233,822.16

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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.