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Finding the Fourth Proportional to 510,053.56, 764,752.29 and 243,808.18

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Solution

The fourth proportional to 510,053.56, 764,752.29 and 243,808.18 is: 365,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,053.56 : 764,752.29 = 243,808.18 : x
  2. Step 2: Convert to fraction form
    510,053.56/764,752.29 = 243,808.18/x
  3. Step 3: Cross multiply
    510,053.56x = 764,752.29 × 243,808.18
  4. Step 4: Simplify right side
    510,053.56x = 186,452,863,975.73
  5. Step 5: Solve for x
    x = 186,452,863,975.73/510,053.56
  6. Step 6: Final answer
    x = 365,555.46

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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.