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Finding the Fourth Proportional to 442,759.71, 611,166.16 and 261,472.37

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Solution

The fourth proportional to 442,759.71, 611,166.16 and 261,472.37 is: 360,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,759.71 : 611,166.16 = 261,472.37 : x
  2. Step 2: Convert to fraction form
    442,759.71/611,166.16 = 261,472.37/x
  3. Step 3: Cross multiply
    442,759.71x = 611,166.16 × 261,472.37
  4. Step 4: Simplify right side
    442,759.71x = 159,803,065,193.23
  5. Step 5: Solve for x
    x = 159,803,065,193.23/442,759.71
  6. Step 6: Final answer
    x = 360,925.04

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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.