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Finding the Fourth Proportional to 452,471, 624,465.06 and 261,485.96

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Solution

The fourth proportional to 452,471, 624,465.06 and 261,485.96 is: 360,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,471 : 624,465.06 = 261,485.96 : x
  2. Step 2: Convert to fraction form
    452,471/624,465.06 = 261,485.96/x
  3. Step 3: Cross multiply
    452,471x = 624,465.06 × 261,485.96
  4. Step 4: Simplify right side
    452,471x = 163,288,845,700.56
  5. Step 5: Solve for x
    x = 163,288,845,700.56/452,471
  6. Step 6: Final answer
    x = 360,882.46

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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.