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Finding the Fourth Proportional to 404,865.60, 607,182.30 and 120,544.26

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Solution

The fourth proportional to 404,865.60, 607,182.30 and 120,544.26 is: 180,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,865.60 : 607,182.30 = 120,544.26 : x
  2. Step 2: Convert to fraction form
    404,865.60/607,182.30 = 120,544.26/x
  3. Step 3: Cross multiply
    404,865.60x = 607,182.30 × 120,544.26
  4. Step 4: Simplify right side
    404,865.60x = 73,192,341,038.60
  5. Step 5: Solve for x
    x = 73,192,341,038.60/404,865.60
  6. Step 6: Final answer
    x = 180,781.82

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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.