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Finding the Fourth Proportional to 282,601.80, 423,902.70 and 116,389.80

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Solution

The fourth proportional to 282,601.80, 423,902.70 and 116,389.80 is: 174,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,601.80 : 423,902.70 = 116,389.80 : x
  2. Step 2: Convert to fraction form
    282,601.80/423,902.70 = 116,389.80/x
  3. Step 3: Cross multiply
    282,601.80x = 423,902.70 × 116,389.80
  4. Step 4: Simplify right side
    282,601.80x = 49,337,950,472.46
  5. Step 5: Solve for x
    x = 49,337,950,472.46/282,601.80
  6. Step 6: Final answer
    x = 174,584.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.