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Finding the Fourth Proportional to 529,861.16, 733,133.88 and 462,019.60

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Solution

The fourth proportional to 529,861.16, 733,133.88 and 462,019.60 is: 639,266.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,861.16 : 733,133.88 = 462,019.60 : x
  2. Step 2: Convert to fraction form
    529,861.16/733,133.88 = 462,019.60/x
  3. Step 3: Cross multiply
    529,861.16x = 733,133.88 × 462,019.60
  4. Step 4: Simplify right side
    529,861.16x = 338,722,221,984.05
  5. Step 5: Solve for x
    x = 338,722,221,984.05/529,861.16
  6. Step 6: Final answer
    x = 639,266.00

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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.