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Finding the Fourth Proportional to 529,255.16, 730,211.24 and 299,776

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Solution

The fourth proportional to 529,255.16, 730,211.24 and 299,776 is: 413,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,255.16 : 730,211.24 = 299,776 : x
  2. Step 2: Convert to fraction form
    529,255.16/730,211.24 = 299,776/x
  3. Step 3: Cross multiply
    529,255.16x = 730,211.24 × 299,776
  4. Step 4: Simplify right side
    529,255.16x = 218,899,804,682.24
  5. Step 5: Solve for x
    x = 218,899,804,682.24/529,255.16
  6. Step 6: Final answer
    x = 413,599.76

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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.