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Finding the Fourth Proportional to 519,352.60, 779,101.80 and 164,329.60

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Solution

The fourth proportional to 519,352.60, 779,101.80 and 164,329.60 is: 246,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,352.60 : 779,101.80 = 164,329.60 : x
  2. Step 2: Convert to fraction form
    519,352.60/779,101.80 = 164,329.60/x
  3. Step 3: Cross multiply
    519,352.60x = 779,101.80 × 164,329.60
  4. Step 4: Simplify right side
    519,352.60x = 128,029,487,153.28
  5. Step 5: Solve for x
    x = 128,029,487,153.28/519,352.60
  6. Step 6: Final answer
    x = 246,517.47

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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.