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Finding the Fourth Proportional to 273,407.40, 377,477.82 and 171,572.58

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Solution

The fourth proportional to 273,407.40, 377,477.82 and 171,572.58 is: 236,880.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,407.40 : 377,477.82 = 171,572.58 : x
  2. Step 2: Convert to fraction form
    273,407.40/377,477.82 = 171,572.58/x
  3. Step 3: Cross multiply
    273,407.40x = 377,477.82 × 171,572.58
  4. Step 4: Simplify right side
    273,407.40x = 64,764,843,470.18
  5. Step 5: Solve for x
    x = 64,764,843,470.18/273,407.40
  6. Step 6: Final answer
    x = 236,880.36

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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.