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Finding the Fourth Proportional to 537,031.35, 805,419.72 and 200,230.11

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Solution

The fourth proportional to 537,031.35, 805,419.72 and 200,230.11 is: 300,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,031.35 : 805,419.72 = 200,230.11 : x
  2. Step 2: Convert to fraction form
    537,031.35/805,419.72 = 200,230.11/x
  3. Step 3: Cross multiply
    537,031.35x = 805,419.72 × 200,230.11
  4. Step 4: Simplify right side
    537,031.35x = 161,269,279,131.77
  5. Step 5: Solve for x
    x = 161,269,279,131.77/537,031.35
  6. Step 6: Final answer
    x = 300,297.70

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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.