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Finding the Fourth Proportional to 471,417.20, 650,543.24 and 256,552.65

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Solution

The fourth proportional to 471,417.20, 650,543.24 and 256,552.65 is: 354,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,417.20 : 650,543.24 = 256,552.65 : x
  2. Step 2: Convert to fraction form
    471,417.20/650,543.24 = 256,552.65/x
  3. Step 3: Cross multiply
    471,417.20x = 650,543.24 × 256,552.65
  4. Step 4: Simplify right side
    471,417.20x = 166,898,590,878.82
  5. Step 5: Solve for x
    x = 166,898,590,878.82/471,417.20
  6. Step 6: Final answer
    x = 354,035.86

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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.