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Finding the Fourth Proportional to 273,806.88, 377,854.08 and 154,574.88

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Solution

The fourth proportional to 273,806.88, 377,854.08 and 154,574.88 is: 213,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,806.88 : 377,854.08 = 154,574.88 : x
  2. Step 2: Convert to fraction form
    273,806.88/377,854.08 = 154,574.88/x
  3. Step 3: Cross multiply
    273,806.88x = 377,854.08 × 154,574.88
  4. Step 4: Simplify right side
    273,806.88x = 58,406,749,073.51
  5. Step 5: Solve for x
    x = 58,406,749,073.51/273,806.88
  6. Step 6: Final answer
    x = 213,313.66

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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.