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Finding the Fourth Proportional to 500,315.20, 750,613.10 and 201,005.96

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Solution

The fourth proportional to 500,315.20, 750,613.10 and 201,005.96 is: 301,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,315.20 : 750,613.10 = 201,005.96 : x
  2. Step 2: Convert to fraction form
    500,315.20/750,613.10 = 201,005.96/x
  3. Step 3: Cross multiply
    500,315.20x = 750,613.10 × 201,005.96
  4. Step 4: Simplify right side
    500,315.20x = 150,877,706,754.08
  5. Step 5: Solve for x
    x = 150,877,706,754.08/500,315.20
  6. Step 6: Final answer
    x = 301,565.31

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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.