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Finding the Fourth Proportional to 417,880.47, 576,710.75 and 236,624.34

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Solution

The fourth proportional to 417,880.47, 576,710.75 and 236,624.34 is: 326,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,880.47 : 576,710.75 = 236,624.34 : x
  2. Step 2: Convert to fraction form
    417,880.47/576,710.75 = 236,624.34/x
  3. Step 3: Cross multiply
    417,880.47x = 576,710.75 × 236,624.34
  4. Step 4: Simplify right side
    417,880.47x = 136,463,800,589.66
  5. Step 5: Solve for x
    x = 136,463,800,589.66/417,880.47
  6. Step 6: Final answer
    x = 326,561.81

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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.