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Finding the Fourth Proportional to 307,844.40, 461,766.60 and 302,595.60

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Solution

The fourth proportional to 307,844.40, 461,766.60 and 302,595.60 is: 453,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,844.40 : 461,766.60 = 302,595.60 : x
  2. Step 2: Convert to fraction form
    307,844.40/461,766.60 = 302,595.60/x
  3. Step 3: Cross multiply
    307,844.40x = 461,766.60 × 302,595.60
  4. Step 4: Simplify right side
    307,844.40x = 139,728,541,386.96
  5. Step 5: Solve for x
    x = 139,728,541,386.96/307,844.40
  6. Step 6: Final answer
    x = 453,893.40

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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.