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Finding the Fourth Proportional to 333,378.23, 500,219.15 and 141,305.30

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Solution

The fourth proportional to 333,378.23, 500,219.15 and 141,305.30 is: 212,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,378.23 : 500,219.15 = 141,305.30 : x
  2. Step 2: Convert to fraction form
    333,378.23/500,219.15 = 141,305.30/x
  3. Step 3: Cross multiply
    333,378.23x = 500,219.15 × 141,305.30
  4. Step 4: Simplify right side
    333,378.23x = 70,683,617,056.50
  5. Step 5: Solve for x
    x = 70,683,617,056.50/333,378.23
  6. Step 6: Final answer
    x = 212,022.29

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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.