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Finding the Fourth Proportional to 573,350.85, 791,155.44 and 315,185.22

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Solution

The fourth proportional to 573,350.85, 791,155.44 and 315,185.22 is: 434,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,350.85 : 791,155.44 = 315,185.22 : x
  2. Step 2: Convert to fraction form
    573,350.85/791,155.44 = 315,185.22/x
  3. Step 3: Cross multiply
    573,350.85x = 791,155.44 × 315,185.22
  4. Step 4: Simplify right side
    573,350.85x = 249,360,501,410.60
  5. Step 5: Solve for x
    x = 249,360,501,410.60/573,350.85
  6. Step 6: Final answer
    x = 434,917.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.