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Finding the Fourth Proportional to 404,886.60, 607,589.10 and 236,406.60

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Solution

The fourth proportional to 404,886.60, 607,589.10 and 236,406.60 is: 354,761.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,886.60 : 607,589.10 = 236,406.60 : x
  2. Step 2: Convert to fraction form
    404,886.60/607,589.10 = 236,406.60/x
  3. Step 3: Cross multiply
    404,886.60x = 607,589.10 × 236,406.60
  4. Step 4: Simplify right side
    404,886.60x = 143,638,073,328.06
  5. Step 5: Solve for x
    x = 143,638,073,328.06/404,886.60
  6. Step 6: Final answer
    x = 354,761.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.