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Finding the Fourth Proportional to 536,593, 740,501.22 and 298,129

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Solution

The fourth proportional to 536,593, 740,501.22 and 298,129 is: 411,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,593 : 740,501.22 = 298,129 : x
  2. Step 2: Convert to fraction form
    536,593/740,501.22 = 298,129/x
  3. Step 3: Cross multiply
    536,593x = 740,501.22 × 298,129
  4. Step 4: Simplify right side
    536,593x = 220,764,888,217.38
  5. Step 5: Solve for x
    x = 220,764,888,217.38/536,593
  6. Step 6: Final answer
    x = 411,419.62

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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.