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Finding the Fourth Proportional to 471,403.10, 648,893.22 and 410,868.56

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Solution

The fourth proportional to 471,403.10, 648,893.22 and 410,868.56 is: 565,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,403.10 : 648,893.22 = 410,868.56 : x
  2. Step 2: Convert to fraction form
    471,403.10/648,893.22 = 410,868.56/x
  3. Step 3: Cross multiply
    471,403.10x = 648,893.22 × 410,868.56
  4. Step 4: Simplify right side
    471,403.10x = 266,609,822,895.16
  5. Step 5: Solve for x
    x = 266,609,822,895.16/471,403.10
  6. Step 6: Final answer
    x = 565,566.55

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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.