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Finding the Fourth Proportional to 543,228.60, 816,071.70 and 377,340.60

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Solution

The fourth proportional to 543,228.60, 816,071.70 and 377,340.60 is: 566,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,228.60 : 816,071.70 = 377,340.60 : x
  2. Step 2: Convert to fraction form
    543,228.60/816,071.70 = 377,340.60/x
  3. Step 3: Cross multiply
    543,228.60x = 816,071.70 × 377,340.60
  4. Step 4: Simplify right side
    543,228.60x = 307,936,984,921.02
  5. Step 5: Solve for x
    x = 307,936,984,921.02/543,228.60
  6. Step 6: Final answer
    x = 566,864.46

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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.