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Finding the Fourth Proportional to 417,574.54, 576,221.19 and 245,499.56

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Solution

The fourth proportional to 417,574.54, 576,221.19 and 245,499.56 is: 338,770.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,574.54 : 576,221.19 = 245,499.56 : x
  2. Step 2: Convert to fraction form
    417,574.54/576,221.19 = 245,499.56/x
  3. Step 3: Cross multiply
    417,574.54x = 576,221.19 × 245,499.56
  4. Step 4: Simplify right side
    417,574.54x = 141,462,048,347.71
  5. Step 5: Solve for x
    x = 141,462,048,347.71/417,574.54
  6. Step 6: Final answer
    x = 338,770.77

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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.