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Finding the Fourth Proportional to 273,397.60, 377,288.16 and 152,531.69

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Solution

The fourth proportional to 273,397.60, 377,288.16 and 152,531.69 is: 210,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,397.60 : 377,288.16 = 152,531.69 : x
  2. Step 2: Convert to fraction form
    273,397.60/377,288.16 = 152,531.69/x
  3. Step 3: Cross multiply
    273,397.60x = 377,288.16 × 152,531.69
  4. Step 4: Simplify right side
    273,397.60x = 57,548,400,661.79
  5. Step 5: Solve for x
    x = 57,548,400,661.79/273,397.60
  6. Step 6: Final answer
    x = 210,493.44

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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.