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Finding the Fourth Proportional to 328,637.24, 453,518.94 and 177,734.24

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Solution

The fourth proportional to 328,637.24, 453,518.94 and 177,734.24 is: 245,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,637.24 : 453,518.94 = 177,734.24 : x
  2. Step 2: Convert to fraction form
    328,637.24/453,518.94 = 177,734.24/x
  3. Step 3: Cross multiply
    328,637.24x = 453,518.94 × 177,734.24
  4. Step 4: Simplify right side
    328,637.24x = 80,605,844,126.51
  5. Step 5: Solve for x
    x = 80,605,844,126.51/328,637.24
  6. Step 6: Final answer
    x = 245,273.01

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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.