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Finding the Fourth Proportional to 554,177.70, 764,765.55 and 299,529.36

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Solution

The fourth proportional to 554,177.70, 764,765.55 and 299,529.36 is: 413,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,177.70 : 764,765.55 = 299,529.36 : x
  2. Step 2: Convert to fraction form
    554,177.70/764,765.55 = 299,529.36/x
  3. Step 3: Cross multiply
    554,177.70x = 764,765.55 × 299,529.36
  4. Step 4: Simplify right side
    554,177.70x = 229,069,735,741.55
  5. Step 5: Solve for x
    x = 229,069,735,741.55/554,177.70
  6. Step 6: Final answer
    x = 413,350.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.