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Finding the Fourth Proportional to 417,470.54, 576,109.55 and 226,483.88

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Solution

The fourth proportional to 417,470.54, 576,109.55 and 226,483.88 is: 312,547.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,470.54 : 576,109.55 = 226,483.88 : x
  2. Step 2: Convert to fraction form
    417,470.54/576,109.55 = 226,483.88/x
  3. Step 3: Cross multiply
    417,470.54x = 576,109.55 × 226,483.88
  4. Step 4: Simplify right side
    417,470.54x = 130,479,523,874.72
  5. Step 5: Solve for x
    x = 130,479,523,874.72/417,470.54
  6. Step 6: Final answer
    x = 312,547.86

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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.