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Finding the Fourth Proportional to 531,350.40, 796,507.20 and 475,363.20

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Solution

The fourth proportional to 531,350.40, 796,507.20 and 475,363.20 is: 712,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,350.40 : 796,507.20 = 475,363.20 : x
  2. Step 2: Convert to fraction form
    531,350.40/796,507.20 = 475,363.20/x
  3. Step 3: Cross multiply
    531,350.40x = 796,507.20 × 475,363.20
  4. Step 4: Simplify right side
    531,350.40x = 378,630,211,415.04
  5. Step 5: Solve for x
    x = 378,630,211,415.04/531,350.40
  6. Step 6: Final answer
    x = 712,581.02

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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.