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Finding the Fourth Proportional to 556,876.76, 835,127.94 and 201,816.44

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Solution

The fourth proportional to 556,876.76, 835,127.94 and 201,816.44 is: 302,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,876.76 : 835,127.94 = 201,816.44 : x
  2. Step 2: Convert to fraction form
    556,876.76/835,127.94 = 201,816.44/x
  3. Step 3: Cross multiply
    556,876.76x = 835,127.94 × 201,816.44
  4. Step 4: Simplify right side
    556,876.76x = 168,542,547,795.33
  5. Step 5: Solve for x
    x = 168,542,547,795.33/556,876.76
  6. Step 6: Final answer
    x = 302,656.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.