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Finding the Fourth Proportional to 199,435.60, 299,153.40 and 191,562.40

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Solution

The fourth proportional to 199,435.60, 299,153.40 and 191,562.40 is: 287,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,435.60 : 299,153.40 = 191,562.40 : x
  2. Step 2: Convert to fraction form
    199,435.60/299,153.40 = 191,562.40/x
  3. Step 3: Cross multiply
    199,435.60x = 299,153.40 × 191,562.40
  4. Step 4: Simplify right side
    199,435.60x = 57,306,543,272.16
  5. Step 5: Solve for x
    x = 57,306,543,272.16/199,435.60
  6. Step 6: Final answer
    x = 287,343.60

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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.