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Finding the Fourth Proportional to 504,499.52, 696,199.94 and 275,058.79

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Solution

The fourth proportional to 504,499.52, 696,199.94 and 275,058.79 is: 379,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,499.52 : 696,199.94 = 275,058.79 : x
  2. Step 2: Convert to fraction form
    504,499.52/696,199.94 = 275,058.79/x
  3. Step 3: Cross multiply
    504,499.52x = 696,199.94 × 275,058.79
  4. Step 4: Simplify right side
    504,499.52x = 191,495,913,094.47
  5. Step 5: Solve for x
    x = 191,495,913,094.47/504,499.52
  6. Step 6: Final answer
    x = 379,576.01

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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.