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Finding the Fourth Proportional to 529,262.43, 730,684.85 and 348,499.59

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Solution

The fourth proportional to 529,262.43, 730,684.85 and 348,499.59 is: 481,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,262.43 : 730,684.85 = 348,499.59 : x
  2. Step 2: Convert to fraction form
    529,262.43/730,684.85 = 348,499.59/x
  3. Step 3: Cross multiply
    529,262.43x = 730,684.85 × 348,499.59
  4. Step 4: Simplify right side
    529,262.43x = 254,643,368,901.71
  5. Step 5: Solve for x
    x = 254,643,368,901.71/529,262.43
  6. Step 6: Final answer
    x = 481,128.75

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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.