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Finding the Fourth Proportional to 556,837.24, 835,346.32 and 172,496.34

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Solution

The fourth proportional to 556,837.24, 835,346.32 and 172,496.34 is: 258,772.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,837.24 : 835,346.32 = 172,496.34 : x
  2. Step 2: Convert to fraction form
    556,837.24/835,346.32 = 172,496.34/x
  3. Step 3: Cross multiply
    556,837.24x = 835,346.32 × 172,496.34
  4. Step 4: Simplify right side
    556,837.24x = 144,094,182,832.47
  5. Step 5: Solve for x
    x = 144,094,182,832.47/556,837.24
  6. Step 6: Final answer
    x = 258,772.53

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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.