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Finding the Fourth Proportional to 529,240.46, 730,299.13 and 299,751.93

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Solution

The fourth proportional to 529,240.46, 730,299.13 and 299,751.93 is: 413,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,240.46 : 730,299.13 = 299,751.93 : x
  2. Step 2: Convert to fraction form
    529,240.46/730,299.13 = 299,751.93/x
  3. Step 3: Cross multiply
    529,240.46x = 730,299.13 × 299,751.93
  4. Step 4: Simplify right side
    529,240.46x = 218,908,572,945.44
  5. Step 5: Solve for x
    x = 218,908,572,945.44/529,240.46
  6. Step 6: Final answer
    x = 413,627.81

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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.