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Finding the Fourth Proportional to 622,099.60, 933,149.40 and 611,731.60

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Solution

The fourth proportional to 622,099.60, 933,149.40 and 611,731.60 is: 917,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,099.60 : 933,149.40 = 611,731.60 : x
  2. Step 2: Convert to fraction form
    622,099.60/933,149.40 = 611,731.60/x
  3. Step 3: Cross multiply
    622,099.60x = 933,149.40 × 611,731.60
  4. Step 4: Simplify right side
    622,099.60x = 570,836,975,501.04
  5. Step 5: Solve for x
    x = 570,836,975,501.04/622,099.60
  6. Step 6: Final answer
    x = 917,597.40

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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.