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Finding the Fourth Proportional to 352,433.60, 528,650.40 and 246,145.40

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Solution

The fourth proportional to 352,433.60, 528,650.40 and 246,145.40 is: 369,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,433.60 : 528,650.40 = 246,145.40 : x
  2. Step 2: Convert to fraction form
    352,433.60/528,650.40 = 246,145.40/x
  3. Step 3: Cross multiply
    352,433.60x = 528,650.40 × 246,145.40
  4. Step 4: Simplify right side
    352,433.60x = 130,124,864,168.16
  5. Step 5: Solve for x
    x = 130,124,864,168.16/352,433.60
  6. Step 6: Final answer
    x = 369,218.10

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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.