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Finding the Fourth Proportional to 556,866.03, 835,165.22 and 257,058.64

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Solution

The fourth proportional to 556,866.03, 835,165.22 and 257,058.64 is: 385,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,866.03 : 835,165.22 = 257,058.64 : x
  2. Step 2: Convert to fraction form
    556,866.03/835,165.22 = 257,058.64/x
  3. Step 3: Cross multiply
    556,866.03x = 835,165.22 × 257,058.64
  4. Step 4: Simplify right side
    556,866.03x = 214,686,434,183.23
  5. Step 5: Solve for x
    x = 214,686,434,183.23/556,866.03
  6. Step 6: Final answer
    x = 385,526.18

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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.