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Finding the Fourth Proportional to 413,332.40, 619,408.20 and 235,463.60

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Solution

The fourth proportional to 413,332.40, 619,408.20 and 235,463.60 is: 352,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,332.40 : 619,408.20 = 235,463.60 : x
  2. Step 2: Convert to fraction form
    413,332.40/619,408.20 = 235,463.60/x
  3. Step 3: Cross multiply
    413,332.40x = 619,408.20 × 235,463.60
  4. Step 4: Simplify right side
    413,332.40x = 145,848,084,641.52
  5. Step 5: Solve for x
    x = 145,848,084,641.52/413,332.40
  6. Step 6: Final answer
    x = 352,859.07

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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.