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Finding the Fourth Proportional to 605,008.60, 907,512.90 and 522,064.60

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Solution

The fourth proportional to 605,008.60, 907,512.90 and 522,064.60 is: 783,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,008.60 : 907,512.90 = 522,064.60 : x
  2. Step 2: Convert to fraction form
    605,008.60/907,512.90 = 522,064.60/x
  3. Step 3: Cross multiply
    605,008.60x = 907,512.90 × 522,064.60
  4. Step 4: Simplify right side
    605,008.60x = 473,780,359,133.34
  5. Step 5: Solve for x
    x = 473,780,359,133.34/605,008.60
  6. Step 6: Final answer
    x = 783,096.90

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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.