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Finding the Fourth Proportional to 522,417.22, 783,679.49 and 180,860.15

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Solution

The fourth proportional to 522,417.22, 783,679.49 and 180,860.15 is: 271,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,417.22 : 783,679.49 = 180,860.15 : x
  2. Step 2: Convert to fraction form
    522,417.22/783,679.49 = 180,860.15/x
  3. Step 3: Cross multiply
    522,417.22x = 783,679.49 × 180,860.15
  4. Step 4: Simplify right side
    522,417.22x = 141,736,390,113.32
  5. Step 5: Solve for x
    x = 141,736,390,113.32/522,417.22
  6. Step 6: Final answer
    x = 271,308.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.