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Finding the Fourth Proportional to 529,575.40, 794,151.90 and 174,490.60

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Solution

The fourth proportional to 529,575.40, 794,151.90 and 174,490.60 is: 261,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,575.40 : 794,151.90 = 174,490.60 : x
  2. Step 2: Convert to fraction form
    529,575.40/794,151.90 = 174,490.60/x
  3. Step 3: Cross multiply
    529,575.40x = 794,151.90 × 174,490.60
  4. Step 4: Simplify right side
    529,575.40x = 138,572,041,522.14
  5. Step 5: Solve for x
    x = 138,572,041,522.14/529,575.40
  6. Step 6: Final answer
    x = 261,666.31

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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.