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Finding the Fourth Proportional to 539,078.01, 744,166.77 and 348,184.50

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Solution

The fourth proportional to 539,078.01, 744,166.77 and 348,184.50 is: 480,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,078.01 : 744,166.77 = 348,184.50 : x
  2. Step 2: Convert to fraction form
    539,078.01/744,166.77 = 348,184.50/x
  3. Step 3: Cross multiply
    539,078.01x = 744,166.77 × 348,184.50
  4. Step 4: Simplify right side
    539,078.01x = 259,107,334,729.07
  5. Step 5: Solve for x
    x = 259,107,334,729.07/539,078.01
  6. Step 6: Final answer
    x = 480,649.05

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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.