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Finding the Fourth Proportional to 633,251.28, 873,886.16 and 346,776.96

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Solution

The fourth proportional to 633,251.28, 873,886.16 and 346,776.96 is: 478,551.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,251.28 : 873,886.16 = 346,776.96 : x
  2. Step 2: Convert to fraction form
    633,251.28/873,886.16 = 346,776.96/x
  3. Step 3: Cross multiply
    633,251.28x = 873,886.16 × 346,776.96
  4. Step 4: Simplify right side
    633,251.28x = 303,043,585,950.87
  5. Step 5: Solve for x
    x = 303,043,585,950.87/633,251.28
  6. Step 6: Final answer
    x = 478,551.87

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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.