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Finding the Fourth Proportional to 273,800.25, 377,840.25 and 152,943.30

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Solution

The fourth proportional to 273,800.25, 377,840.25 and 152,943.30 is: 211,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,800.25 : 377,840.25 = 152,943.30 : x
  2. Step 2: Convert to fraction form
    273,800.25/377,840.25 = 152,943.30/x
  3. Step 3: Cross multiply
    273,800.25x = 377,840.25 × 152,943.30
  4. Step 4: Simplify right side
    273,800.25x = 57,788,134,707.83
  5. Step 5: Solve for x
    x = 57,788,134,707.83/273,800.25
  6. Step 6: Final answer
    x = 211,059.47

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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.