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Finding the Fourth Proportional to 333,170.15, 499,617.74 and 127,973.79

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Solution

The fourth proportional to 333,170.15, 499,617.74 and 127,973.79 is: 191,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,170.15 : 499,617.74 = 127,973.79 : x
  2. Step 2: Convert to fraction form
    333,170.15/499,617.74 = 127,973.79/x
  3. Step 3: Cross multiply
    333,170.15x = 499,617.74 × 127,973.79
  4. Step 4: Simplify right side
    333,170.15x = 63,937,976,058.97
  5. Step 5: Solve for x
    x = 63,937,976,058.97/333,170.15
  6. Step 6: Final answer
    x = 191,907.88

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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.