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Finding the Fourth Proportional to 307,591.20, 461,300.40 and 97,293.60

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Solution

The fourth proportional to 307,591.20, 461,300.40 and 97,293.60 is: 145,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,591.20 : 461,300.40 = 97,293.60 : x
  2. Step 2: Convert to fraction form
    307,591.20/461,300.40 = 97,293.60/x
  3. Step 3: Cross multiply
    307,591.20x = 461,300.40 × 97,293.60
  4. Step 4: Simplify right side
    307,591.20x = 44,881,576,597.44
  5. Step 5: Solve for x
    x = 44,881,576,597.44/307,591.20
  6. Step 6: Final answer
    x = 145,913.07

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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.