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Finding the Fourth Proportional to 374,603.57, 516,853.24 and 213,455.18

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Solution

The fourth proportional to 374,603.57, 516,853.24 and 213,455.18 is: 294,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,603.57 : 516,853.24 = 213,455.18 : x
  2. Step 2: Convert to fraction form
    374,603.57/516,853.24 = 213,455.18/x
  3. Step 3: Cross multiply
    374,603.57x = 516,853.24 × 213,455.18
  4. Step 4: Simplify right side
    374,603.57x = 110,325,002,136.28
  5. Step 5: Solve for x
    x = 110,325,002,136.28/374,603.57
  6. Step 6: Final answer
    x = 294,511.35

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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.