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Finding the Fourth Proportional to 417,934.84, 576,897.24 and 248,167.76

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Solution

The fourth proportional to 417,934.84, 576,897.24 and 248,167.76 is: 342,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,934.84 : 576,897.24 = 248,167.76 : x
  2. Step 2: Convert to fraction form
    417,934.84/576,897.24 = 248,167.76/x
  3. Step 3: Cross multiply
    417,934.84x = 576,897.24 × 248,167.76
  4. Step 4: Simplify right side
    417,934.84x = 143,167,295,800.98
  5. Step 5: Solve for x
    x = 143,167,295,800.98/417,934.84
  6. Step 6: Final answer
    x = 342,558.89

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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.