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Finding the Fourth Proportional to 515,950.20, 773,269.20 and 249,136.20

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Solution

The fourth proportional to 515,950.20, 773,269.20 and 249,136.20 is: 373,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,950.20 : 773,269.20 = 249,136.20 : x
  2. Step 2: Convert to fraction form
    515,950.20/773,269.20 = 249,136.20/x
  3. Step 3: Cross multiply
    515,950.20x = 773,269.20 × 249,136.20
  4. Step 4: Simplify right side
    515,950.20x = 192,649,350,065.04
  5. Step 5: Solve for x
    x = 192,649,350,065.04/515,950.20
  6. Step 6: Final answer
    x = 373,387.49

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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.