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Finding the Fourth Proportional to 500,681.35, 749,776.45 and 350,217.12

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Solution

The fourth proportional to 500,681.35, 749,776.45 and 350,217.12 is: 524,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,681.35 : 749,776.45 = 350,217.12 : x
  2. Step 2: Convert to fraction form
    500,681.35/749,776.45 = 350,217.12/x
  3. Step 3: Cross multiply
    500,681.35x = 749,776.45 × 350,217.12
  4. Step 4: Simplify right side
    500,681.35x = 262,584,548,962.82
  5. Step 5: Solve for x
    x = 262,584,548,962.82/500,681.35
  6. Step 6: Final answer
    x = 524,454.42

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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.