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Finding the Fourth Proportional to 273,805.84, 377,841 and 152,945.20

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Solution

The fourth proportional to 273,805.84, 377,841 and 152,945.20 is: 211,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,805.84 : 377,841 = 152,945.20 : x
  2. Step 2: Convert to fraction form
    273,805.84/377,841 = 152,945.20/x
  3. Step 3: Cross multiply
    273,805.84x = 377,841 × 152,945.20
  4. Step 4: Simplify right side
    273,805.84x = 57,788,967,313.20
  5. Step 5: Solve for x
    x = 57,788,967,313.20/273,805.84
  6. Step 6: Final answer
    x = 211,058.20

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1.5x scale

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.