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Finding the Fourth Proportional to 633,083.52, 873,666.24 and 391,360.08

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Solution

The fourth proportional to 633,083.52, 873,666.24 and 391,360.08 is: 540,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,083.52 : 873,666.24 = 391,360.08 : x
  2. Step 2: Convert to fraction form
    633,083.52/873,666.24 = 391,360.08/x
  3. Step 3: Cross multiply
    633,083.52x = 873,666.24 × 391,360.08
  4. Step 4: Simplify right side
    633,083.52x = 341,918,089,579.70
  5. Step 5: Solve for x
    x = 341,918,089,579.70/633,083.52
  6. Step 6: Final answer
    x = 540,083.70

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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.