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Finding the Fourth Proportional to 199,402.40, 298,374.60 and 146,914.40

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Solution

The fourth proportional to 199,402.40, 298,374.60 and 146,914.40 is: 219,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,402.40 : 298,374.60 = 146,914.40 : x
  2. Step 2: Convert to fraction form
    199,402.40/298,374.60 = 146,914.40/x
  3. Step 3: Cross multiply
    199,402.40x = 298,374.60 × 146,914.40
  4. Step 4: Simplify right side
    199,402.40x = 43,835,525,334.24
  5. Step 5: Solve for x
    x = 43,835,525,334.24/199,402.40
  6. Step 6: Final answer
    x = 219,834.49

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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.