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Finding the Fourth Proportional to 536,773.50, 740,667.38 and 307,294.56

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Solution

The fourth proportional to 536,773.50, 740,667.38 and 307,294.56 is: 424,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,773.50 : 740,667.38 = 307,294.56 : x
  2. Step 2: Convert to fraction form
    536,773.50/740,667.38 = 307,294.56/x
  3. Step 3: Cross multiply
    536,773.50x = 740,667.38 × 307,294.56
  4. Step 4: Simplify right side
    536,773.50x = 227,603,055,106.98
  5. Step 5: Solve for x
    x = 227,603,055,106.98/536,773.50
  6. Step 6: Final answer
    x = 424,020.66

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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.