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Finding the Fourth Proportional to 529,037.15, 730,187.51 and 347,765.82

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Solution

The fourth proportional to 529,037.15, 730,187.51 and 347,765.82 is: 479,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,037.15 : 730,187.51 = 347,765.82 : x
  2. Step 2: Convert to fraction form
    529,037.15/730,187.51 = 347,765.82/x
  3. Step 3: Cross multiply
    529,037.15x = 730,187.51 × 347,765.82
  4. Step 4: Simplify right side
    529,037.15x = 253,934,256,430.08
  5. Step 5: Solve for x
    x = 253,934,256,430.08/529,037.15
  6. Step 6: Final answer
    x = 479,993.25

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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.