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Finding the Fourth Proportional to 340,609.80, 510,914.70 and 163,025.40

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Solution

The fourth proportional to 340,609.80, 510,914.70 and 163,025.40 is: 244,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,609.80 : 510,914.70 = 163,025.40 : x
  2. Step 2: Convert to fraction form
    340,609.80/510,914.70 = 163,025.40/x
  3. Step 3: Cross multiply
    340,609.80x = 510,914.70 × 163,025.40
  4. Step 4: Simplify right side
    340,609.80x = 83,292,073,333.38
  5. Step 5: Solve for x
    x = 83,292,073,333.38/340,609.80
  6. Step 6: Final answer
    x = 244,538.10

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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.