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Finding the Fourth Proportional to 364,858.40, 547,287.60 and 307,121.60

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Solution

The fourth proportional to 364,858.40, 547,287.60 and 307,121.60 is: 460,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,858.40 : 547,287.60 = 307,121.60 : x
  2. Step 2: Convert to fraction form
    364,858.40/547,287.60 = 307,121.60/x
  3. Step 3: Cross multiply
    364,858.40x = 547,287.60 × 307,121.60
  4. Step 4: Simplify right side
    364,858.40x = 168,083,843,372.16
  5. Step 5: Solve for x
    x = 168,083,843,372.16/364,858.40
  6. Step 6: Final answer
    x = 460,682.40

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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.