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Finding the Fourth Proportional to 504,681.24, 696,460.78 and 275,239.02

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Solution

The fourth proportional to 504,681.24, 696,460.78 and 275,239.02 is: 379,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,681.24 : 696,460.78 = 275,239.02 : x
  2. Step 2: Convert to fraction form
    504,681.24/696,460.78 = 275,239.02/x
  3. Step 3: Cross multiply
    504,681.24x = 696,460.78 × 275,239.02
  4. Step 4: Simplify right side
    504,681.24x = 191,693,182,555.64
  5. Step 5: Solve for x
    x = 191,693,182,555.64/504,681.24
  6. Step 6: Final answer
    x = 379,830.21

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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.