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Finding the Fourth Proportional to 532,890.56, 735,880.02 and 342,236.10

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Solution

The fourth proportional to 532,890.56, 735,880.02 and 342,236.10 is: 472,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,890.56 : 735,880.02 = 342,236.10 : x
  2. Step 2: Convert to fraction form
    532,890.56/735,880.02 = 342,236.10/x
  3. Step 3: Cross multiply
    532,890.56x = 735,880.02 × 342,236.10
  4. Step 4: Simplify right side
    532,890.56x = 251,844,708,112.72
  5. Step 5: Solve for x
    x = 251,844,708,112.72/532,890.56
  6. Step 6: Final answer
    x = 472,601.18

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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.