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Finding the Fourth Proportional to 404,567.50, 606,851.26 and 109,079.50

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Solution

The fourth proportional to 404,567.50, 606,851.26 and 109,079.50 is: 163,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,567.50 : 606,851.26 = 109,079.50 : x
  2. Step 2: Convert to fraction form
    404,567.50/606,851.26 = 109,079.50/x
  3. Step 3: Cross multiply
    404,567.50x = 606,851.26 × 109,079.50
  4. Step 4: Simplify right side
    404,567.50x = 66,195,032,015.17
  5. Step 5: Solve for x
    x = 66,195,032,015.17/404,567.50
  6. Step 6: Final answer
    x = 163,619.25

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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.