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Finding the Fourth Proportional to 529,581.95, 730,990.29 and 338,596.10

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Solution

The fourth proportional to 529,581.95, 730,990.29 and 338,596.10 is: 467,369.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,581.95 : 730,990.29 = 338,596.10 : x
  2. Step 2: Convert to fraction form
    529,581.95/730,990.29 = 338,596.10/x
  3. Step 3: Cross multiply
    529,581.95x = 730,990.29 × 338,596.10
  4. Step 4: Simplify right side
    529,581.95x = 247,510,461,331.87
  5. Step 5: Solve for x
    x = 247,510,461,331.87/529,581.95
  6. Step 6: Final answer
    x = 467,369.52

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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.