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Finding the Fourth Proportional to 362,428.40, 500,154.60 and 211,496.24

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Solution

The fourth proportional to 362,428.40, 500,154.60 and 211,496.24 is: 291,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,428.40 : 500,154.60 = 211,496.24 : x
  2. Step 2: Convert to fraction form
    362,428.40/500,154.60 = 211,496.24/x
  3. Step 3: Cross multiply
    362,428.40x = 500,154.60 × 211,496.24
  4. Step 4: Simplify right side
    362,428.40x = 105,780,817,318.70
  5. Step 5: Solve for x
    x = 105,780,817,318.70/362,428.40
  6. Step 6: Final answer
    x = 291,866.80

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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.