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Finding the Fourth Proportional to 294,459.20, 441,688.80 and 201,147.20

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Solution

The fourth proportional to 294,459.20, 441,688.80 and 201,147.20 is: 301,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,459.20 : 441,688.80 = 201,147.20 : x
  2. Step 2: Convert to fraction form
    294,459.20/441,688.80 = 201,147.20/x
  3. Step 3: Cross multiply
    294,459.20x = 441,688.80 × 201,147.20
  4. Step 4: Simplify right side
    294,459.20x = 88,844,465,391.36
  5. Step 5: Solve for x
    x = 88,844,465,391.36/294,459.20
  6. Step 6: Final answer
    x = 301,720.80

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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.