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Finding the Fourth Proportional to 313,818.06, 433,054.56 and 177,844.04

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Solution

The fourth proportional to 313,818.06, 433,054.56 and 177,844.04 is: 245,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,818.06 : 433,054.56 = 177,844.04 : x
  2. Step 2: Convert to fraction form
    313,818.06/433,054.56 = 177,844.04/x
  3. Step 3: Cross multiply
    313,818.06x = 433,054.56 × 177,844.04
  4. Step 4: Simplify right side
    313,818.06x = 77,016,172,490.82
  5. Step 5: Solve for x
    x = 77,016,172,490.82/313,818.06
  6. Step 6: Final answer
    x = 245,416.64

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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.