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Finding the Fourth Proportional to 404,603.20, 607,250.40 and 180,308.80

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Solution

The fourth proportional to 404,603.20, 607,250.40 and 180,308.80 is: 270,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,603.20 : 607,250.40 = 180,308.80 : x
  2. Step 2: Convert to fraction form
    404,603.20/607,250.40 = 180,308.80/x
  3. Step 3: Cross multiply
    404,603.20x = 607,250.40 × 180,308.80
  4. Step 4: Simplify right side
    404,603.20x = 109,492,590,923.52
  5. Step 5: Solve for x
    x = 109,492,590,923.52/404,603.20
  6. Step 6: Final answer
    x = 270,617.21

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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.