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Finding the Fourth Proportional to 330,290.00, 455,802.54 and 179,387.00

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Solution

The fourth proportional to 330,290.00, 455,802.54 and 179,387.00 is: 247,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,290.00 : 455,802.54 = 179,387.00 : x
  2. Step 2: Convert to fraction form
    330,290.00/455,802.54 = 179,387.00/x
  3. Step 3: Cross multiply
    330,290.00x = 455,802.54 × 179,387.00
  4. Step 4: Simplify right side
    330,290.00x = 81,765,051,382.49
  5. Step 5: Solve for x
    x = 81,765,051,382.49/330,290.00
  6. Step 6: Final answer
    x = 247,555.33

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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.