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Finding the Fourth Proportional to 273,484, 377,426.85 and 152,648.80

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Solution

The fourth proportional to 273,484, 377,426.85 and 152,648.80 is: 210,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,484 : 377,426.85 = 152,648.80 : x
  2. Step 2: Convert to fraction form
    273,484/377,426.85 = 152,648.80/x
  3. Step 3: Cross multiply
    273,484x = 377,426.85 × 152,648.80
  4. Step 4: Simplify right side
    273,484x = 57,613,755,740.28
  5. Step 5: Solve for x
    x = 57,613,755,740.28/273,484
  6. Step 6: Final answer
    x = 210,665.91

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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.