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Finding the Fourth Proportional to 556,924.78, 835,253.37 and 257,117.32

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Solution

The fourth proportional to 556,924.78, 835,253.37 and 257,117.32 is: 385,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,924.78 : 835,253.37 = 257,117.32 : x
  2. Step 2: Convert to fraction form
    556,924.78/835,253.37 = 257,117.32/x
  3. Step 3: Cross multiply
    556,924.78x = 835,253.37 × 257,117.32
  4. Step 4: Simplify right side
    556,924.78x = 214,758,109,059.44
  5. Step 5: Solve for x
    x = 214,758,109,059.44/556,924.78
  6. Step 6: Final answer
    x = 385,614.21

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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.