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Finding the Fourth Proportional to 529,317.60, 794,206.80 and 266,661.60

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Solution

The fourth proportional to 529,317.60, 794,206.80 and 266,661.60 is: 400,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,317.60 : 794,206.80 = 266,661.60 : x
  2. Step 2: Convert to fraction form
    529,317.60/794,206.80 = 266,661.60/x
  3. Step 3: Cross multiply
    529,317.60x = 794,206.80 × 266,661.60
  4. Step 4: Simplify right side
    529,317.60x = 211,784,456,018.88
  5. Step 5: Solve for x
    x = 211,784,456,018.88/529,317.60
  6. Step 6: Final answer
    x = 400,108.47

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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.