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Finding the Fourth Proportional to 532,889.56, 735,878.64 and 342,235.09

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Solution

The fourth proportional to 532,889.56, 735,878.64 and 342,235.09 is: 472,599.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,889.56 : 735,878.64 = 342,235.09 : x
  2. Step 2: Convert to fraction form
    532,889.56/735,878.64 = 342,235.09/x
  3. Step 3: Cross multiply
    532,889.56x = 735,878.64 × 342,235.09
  4. Step 4: Simplify right side
    532,889.56x = 251,843,492,589.48
  5. Step 5: Solve for x
    x = 251,843,492,589.48/532,889.56
  6. Step 6: Final answer
    x = 472,599.79

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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.