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Finding the Fourth Proportional to 529,245.02, 730,305.44 and 299,756.51

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Solution

The fourth proportional to 529,245.02, 730,305.44 and 299,756.51 is: 413,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,245.02 : 730,305.44 = 299,756.51 : x
  2. Step 2: Convert to fraction form
    529,245.02/730,305.44 = 299,756.51/x
  3. Step 3: Cross multiply
    529,245.02x = 730,305.44 × 299,756.51
  4. Step 4: Simplify right side
    529,245.02x = 218,913,808,640.84
  5. Step 5: Solve for x
    x = 218,913,808,640.84/529,245.02
  6. Step 6: Final answer
    x = 413,634.14

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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.