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Finding the Fourth Proportional to 531,206.40, 796,291.20 and 475,219.20

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Solution

The fourth proportional to 531,206.40, 796,291.20 and 475,219.20 is: 712,365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,206.40 : 796,291.20 = 475,219.20 : x
  2. Step 2: Convert to fraction form
    531,206.40/796,291.20 = 475,219.20/x
  3. Step 3: Cross multiply
    531,206.40x = 796,291.20 × 475,219.20
  4. Step 4: Simplify right side
    531,206.40x = 378,412,867,031.04
  5. Step 5: Solve for x
    x = 378,412,867,031.04/531,206.40
  6. Step 6: Final answer
    x = 712,365.04

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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.