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Finding the Fourth Proportional to 522,416.22, 783,677.99 and 180,859.15

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Solution

The fourth proportional to 522,416.22, 783,677.99 and 180,859.15 is: 271,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,416.22 : 783,677.99 = 180,859.15 : x
  2. Step 2: Convert to fraction form
    522,416.22/783,677.99 = 180,859.15/x
  3. Step 3: Cross multiply
    522,416.22x = 783,677.99 × 180,859.15
  4. Step 4: Simplify right side
    522,416.22x = 141,735,335,145.11
  5. Step 5: Solve for x
    x = 141,735,335,145.11/522,416.22
  6. Step 6: Final answer
    x = 271,307.30

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1.5x scale

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.