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Finding the Fourth Proportional to 501,925.68, 692,648.82 and 275,569.56

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Solution

The fourth proportional to 501,925.68, 692,648.82 and 275,569.56 is: 380,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,925.68 : 692,648.82 = 275,569.56 : x
  2. Step 2: Convert to fraction form
    501,925.68/692,648.82 = 275,569.56/x
  3. Step 3: Cross multiply
    501,925.68x = 692,648.82 × 275,569.56
  4. Step 4: Simplify right side
    501,925.68x = 190,872,930,561.92
  5. Step 5: Solve for x
    x = 190,872,930,561.92/501,925.68
  6. Step 6: Final answer
    x = 380,281.26

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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.