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Finding the Fourth Proportional to 605,053.70, 907,580.55 and 605,053.70

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Solution

The fourth proportional to 605,053.70, 907,580.55 and 605,053.70 is: 907,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,053.70 : 907,580.55 = 605,053.70 : x
  2. Step 2: Convert to fraction form
    605,053.70/907,580.55 = 605,053.70/x
  3. Step 3: Cross multiply
    605,053.70x = 907,580.55 × 605,053.70
  4. Step 4: Simplify right side
    605,053.70x = 549,134,969,825.54
  5. Step 5: Solve for x
    x = 549,134,969,825.54/605,053.70
  6. Step 6: Final answer
    x = 907,580.55

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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.