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Finding the Fourth Proportional to 554,179.98, 764,771.49 and 350,320.53

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Solution

The fourth proportional to 554,179.98, 764,771.49 and 350,320.53 is: 483,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,179.98 : 764,771.49 = 350,320.53 : x
  2. Step 2: Convert to fraction form
    554,179.98/764,771.49 = 350,320.53/x
  3. Step 3: Cross multiply
    554,179.98x = 764,771.49 × 350,320.53
  4. Step 4: Simplify right side
    554,179.98x = 267,915,153,705.69
  5. Step 5: Solve for x
    x = 267,915,153,705.69/554,179.98
  6. Step 6: Final answer
    x = 483,444.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.