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Finding the Fourth Proportional to 607,198.96, 909,580.20 and 557,594.56

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Solution

The fourth proportional to 607,198.96, 909,580.20 and 557,594.56 is: 835,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,198.96 : 909,580.20 = 557,594.56 : x
  2. Step 2: Convert to fraction form
    607,198.96/909,580.20 = 557,594.56/x
  3. Step 3: Cross multiply
    607,198.96x = 909,580.20 × 557,594.56
  4. Step 4: Simplify right side
    607,198.96x = 507,176,971,403.71
  5. Step 5: Solve for x
    x = 507,176,971,403.71/607,198.96
  6. Step 6: Final answer
    x = 835,273.12

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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.