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Finding the Fourth Proportional to 544,427.84, 816,641.76 and 170,480

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Solution

The fourth proportional to 544,427.84, 816,641.76 and 170,480 is: 255,720

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,427.84 : 816,641.76 = 170,480 : x
  2. Step 2: Convert to fraction form
    544,427.84/816,641.76 = 170,480/x
  3. Step 3: Cross multiply
    544,427.84x = 816,641.76 × 170,480
  4. Step 4: Simplify right side
    544,427.84x = 139,221,087,244.80
  5. Step 5: Solve for x
    x = 139,221,087,244.80/544,427.84
  6. Step 6: Final answer
    x = 255,720

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