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Finding the Fourth Proportional to 486,100.40, 729,150.60 and 249,904.40

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Solution

The fourth proportional to 486,100.40, 729,150.60 and 249,904.40 is: 374,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,100.40 : 729,150.60 = 249,904.40 : x
  2. Step 2: Convert to fraction form
    486,100.40/729,150.60 = 249,904.40/x
  3. Step 3: Cross multiply
    486,100.40x = 729,150.60 × 249,904.40
  4. Step 4: Simplify right side
    486,100.40x = 182,217,943,202.64
  5. Step 5: Solve for x
    x = 182,217,943,202.64/486,100.40
  6. Step 6: Final answer
    x = 374,856.60

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Similar ratio
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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.