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Finding the Fourth Proportional to 607,193.96, 909,572.70 and 557,589.56

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Solution

The fourth proportional to 607,193.96, 909,572.70 and 557,589.56 is: 835,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,193.96 : 909,572.70 = 557,589.56 : x
  2. Step 2: Convert to fraction form
    607,193.96/909,572.70 = 557,589.56/x
  3. Step 3: Cross multiply
    607,193.96x = 909,572.70 × 557,589.56
  4. Step 4: Simplify right side
    607,193.96x = 507,168,241,581.01
  5. Step 5: Solve for x
    x = 507,168,241,581.01/607,193.96
  6. Step 6: Final answer
    x = 835,265.62

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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.