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Finding the Fourth Proportional to 417,698.52, 576,364.86 and 248,000.28

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Solution

The fourth proportional to 417,698.52, 576,364.86 and 248,000.28 is: 342,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,698.52 : 576,364.86 = 248,000.28 : x
  2. Step 2: Convert to fraction form
    417,698.52/576,364.86 = 248,000.28/x
  3. Step 3: Cross multiply
    417,698.52x = 576,364.86 × 248,000.28
  4. Step 4: Simplify right side
    417,698.52x = 142,938,646,662.16
  5. Step 5: Solve for x
    x = 142,938,646,662.16/417,698.52
  6. Step 6: Final answer
    x = 342,205.30

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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.