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Finding the Fourth Proportional to 507,150.52, 699,819.24 and 303,160.93

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Solution

The fourth proportional to 507,150.52, 699,819.24 and 303,160.93 is: 418,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,150.52 : 699,819.24 = 303,160.93 : x
  2. Step 2: Convert to fraction form
    507,150.52/699,819.24 = 303,160.93/x
  3. Step 3: Cross multiply
    507,150.52x = 699,819.24 × 303,160.93
  4. Step 4: Simplify right side
    507,150.52x = 212,157,851,017.60
  5. Step 5: Solve for x
    x = 212,157,851,017.60/507,150.52
  6. Step 6: Final answer
    x = 418,333.11

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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.