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Finding the Fourth Proportional to 417,362.76, 575,961.44 and 226,376.91

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Solution

The fourth proportional to 417,362.76, 575,961.44 and 226,376.91 is: 312,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,362.76 : 575,961.44 = 226,376.91 : x
  2. Step 2: Convert to fraction form
    417,362.76/575,961.44 = 226,376.91/x
  3. Step 3: Cross multiply
    417,362.76x = 575,961.44 × 226,376.91
  4. Step 4: Simplify right side
    417,362.76x = 130,384,369,934.47
  5. Step 5: Solve for x
    x = 130,384,369,934.47/417,362.76
  6. Step 6: Final answer
    x = 312,400.58

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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.