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Finding the Fourth Proportional to 310,993.43, 429,165.54 and 175,027.23

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Solution

The fourth proportional to 310,993.43, 429,165.54 and 175,027.23 is: 241,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,993.43 : 429,165.54 = 175,027.23 : x
  2. Step 2: Convert to fraction form
    310,993.43/429,165.54 = 175,027.23/x
  3. Step 3: Cross multiply
    310,993.43x = 429,165.54 × 175,027.23
  4. Step 4: Simplify right side
    310,993.43x = 75,115,655,677.65
  5. Step 5: Solve for x
    x = 75,115,655,677.65/310,993.43
  6. Step 6: Final answer
    x = 241,534.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.