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Finding the Fourth Proportional to 404,673.60, 607,010.40 and 218,049.60

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Solution

The fourth proportional to 404,673.60, 607,010.40 and 218,049.60 is: 327,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,673.60 : 607,010.40 = 218,049.60 : x
  2. Step 2: Convert to fraction form
    404,673.60/607,010.40 = 218,049.60/x
  3. Step 3: Cross multiply
    404,673.60x = 607,010.40 × 218,049.60
  4. Step 4: Simplify right side
    404,673.60x = 132,358,374,915.84
  5. Step 5: Solve for x
    x = 132,358,374,915.84/404,673.60
  6. Step 6: Final answer
    x = 327,074.40

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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.