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Finding the Fourth Proportional to 607,206.20, 909,059.70 and 544,220.60

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Solution

The fourth proportional to 607,206.20, 909,059.70 and 544,220.60 is: 814,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,206.20 : 909,059.70 = 544,220.60 : x
  2. Step 2: Convert to fraction form
    607,206.20/909,059.70 = 544,220.60/x
  3. Step 3: Cross multiply
    607,206.20x = 909,059.70 × 544,220.60
  4. Step 4: Simplify right side
    607,206.20x = 494,729,015,369.82
  5. Step 5: Solve for x
    x = 494,729,015,369.82/607,206.20
  6. Step 6: Final answer
    x = 814,762.79

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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.