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Finding the Fourth Proportional to 962,900.90, 1,328,787 and 533,171.80

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Solution

The fourth proportional to 962,900.90, 1,328,787 and 533,171.80 is: 735,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,900.90 : 1,328,787 = 533,171.80 : x
  2. Step 2: Convert to fraction form
    962,900.90/1,328,787 = 533,171.80/x
  3. Step 3: Cross multiply
    962,900.90x = 1,328,787 × 533,171.80
  4. Step 4: Simplify right side
    962,900.90x = 708,471,756,606.60
  5. Step 5: Solve for x
    x = 708,471,756,606.60/962,900.90
  6. Step 6: Final answer
    x = 735,768.09

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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.