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Finding the Fourth Proportional to 417,537.96, 575,406.90 and 409,860.60

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Solution

The fourth proportional to 417,537.96, 575,406.90 and 409,860.60 is: 564,826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,537.96 : 575,406.90 = 409,860.60 : x
  2. Step 2: Convert to fraction form
    417,537.96/575,406.90 = 409,860.60/x
  3. Step 3: Cross multiply
    417,537.96x = 575,406.90 × 409,860.60
  4. Step 4: Simplify right side
    417,537.96x = 235,836,617,278.14
  5. Step 5: Solve for x
    x = 235,836,617,278.14/417,537.96
  6. Step 6: Final answer
    x = 564,826.77

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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.