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Finding the Fourth Proportional to 607,122.20, 909,905.70 and 466,182.20

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Solution

The fourth proportional to 607,122.20, 909,905.70 and 466,182.20 is: 698,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,122.20 : 909,905.70 = 466,182.20 : x
  2. Step 2: Convert to fraction form
    607,122.20/909,905.70 = 466,182.20/x
  3. Step 3: Cross multiply
    607,122.20x = 909,905.70 × 466,182.20
  4. Step 4: Simplify right side
    607,122.20x = 424,181,841,018.54
  5. Step 5: Solve for x
    x = 424,181,841,018.54/607,122.20
  6. Step 6: Final answer
    x = 698,676.22

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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.