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Finding the Fourth Proportional to 328,657.56, 453,547.47 and 177,754.56

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Solution

The fourth proportional to 328,657.56, 453,547.47 and 177,754.56 is: 245,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,657.56 : 453,547.47 = 177,754.56 : x
  2. Step 2: Convert to fraction form
    328,657.56/453,547.47 = 177,754.56/x
  3. Step 3: Cross multiply
    328,657.56x = 453,547.47 × 177,754.56
  4. Step 4: Simplify right side
    328,657.56x = 80,620,130,968.96
  5. Step 5: Solve for x
    x = 80,620,130,968.96/328,657.56
  6. Step 6: Final answer
    x = 245,301.31

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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.