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Finding the Fourth Proportional to 307,727.60, 461,627.40 and 97,386.80

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Solution

The fourth proportional to 307,727.60, 461,627.40 and 97,386.80 is: 146,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,727.60 : 461,627.40 = 97,386.80 : x
  2. Step 2: Convert to fraction form
    307,727.60/461,627.40 = 97,386.80/x
  3. Step 3: Cross multiply
    307,727.60x = 461,627.40 × 97,386.80
  4. Step 4: Simplify right side
    307,727.60x = 44,956,415,278.32
  5. Step 5: Solve for x
    x = 44,956,415,278.32/307,727.60
  6. Step 6: Final answer
    x = 146,091.59

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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.