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Finding the Fourth Proportional to 548,118.88, 822,254.18 and 169,069.40

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Solution

The fourth proportional to 548,118.88, 822,254.18 and 169,069.40 is: 253,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,118.88 : 822,254.18 = 169,069.40 : x
  2. Step 2: Convert to fraction form
    548,118.88/822,254.18 = 169,069.40/x
  3. Step 3: Cross multiply
    548,118.88x = 822,254.18 × 169,069.40
  4. Step 4: Simplify right side
    548,118.88x = 139,018,020,860.09
  5. Step 5: Solve for x
    x = 139,018,020,860.09/548,118.88
  6. Step 6: Final answer
    x = 253,627.50

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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.