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Finding the Fourth Proportional to 328,657.82, 453,547.82 and 177,754.82

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Solution

The fourth proportional to 328,657.82, 453,547.82 and 177,754.82 is: 245,301.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,657.82 : 453,547.82 = 177,754.82 : x
  2. Step 2: Convert to fraction form
    328,657.82/453,547.82 = 177,754.82/x
  3. Step 3: Cross multiply
    328,657.82x = 453,547.82 × 177,754.82
  4. Step 4: Simplify right side
    328,657.82x = 80,620,307,948.98
  5. Step 5: Solve for x
    x = 80,620,307,948.98/328,657.82
  6. Step 6: Final answer
    x = 245,301.66

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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.