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Finding the Fourth Proportional to 301,903.20, 452,854.80 and 91,551.60

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Solution

The fourth proportional to 301,903.20, 452,854.80 and 91,551.60 is: 137,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,903.20 : 452,854.80 = 91,551.60 : x
  2. Step 2: Convert to fraction form
    301,903.20/452,854.80 = 91,551.60/x
  3. Step 3: Cross multiply
    301,903.20x = 452,854.80 × 91,551.60
  4. Step 4: Simplify right side
    301,903.20x = 41,459,581,507.68
  5. Step 5: Solve for x
    x = 41,459,581,507.68/301,903.20
  6. Step 6: Final answer
    x = 137,327.40

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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.