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Finding the Fourth Proportional to 542,964.50, 813,943.99 and 201,217.67

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Solution

The fourth proportional to 542,964.50, 813,943.99 and 201,217.67 is: 301,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,964.50 : 813,943.99 = 201,217.67 : x
  2. Step 2: Convert to fraction form
    542,964.50/813,943.99 = 201,217.67/x
  3. Step 3: Cross multiply
    542,964.50x = 813,943.99 × 201,217.67
  4. Step 4: Simplify right side
    542,964.50x = 163,779,908,102.50
  5. Step 5: Solve for x
    x = 163,779,908,102.50/542,964.50
  6. Step 6: Final answer
    x = 301,640.18

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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.