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Finding the Fourth Proportional to 355,232.45, 532,389.37 and 265,784.15

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Solution

The fourth proportional to 355,232.45, 532,389.37 and 265,784.15 is: 398,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,232.45 : 532,389.37 = 265,784.15 : x
  2. Step 2: Convert to fraction form
    355,232.45/532,389.37 = 265,784.15/x
  3. Step 3: Cross multiply
    355,232.45x = 532,389.37 × 265,784.15
  4. Step 4: Simplify right side
    355,232.45x = 141,500,654,845.57
  5. Step 5: Solve for x
    x = 141,500,654,845.57/355,232.45
  6. Step 6: Final answer
    x = 398,332.57

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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.