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Finding the Fourth Proportional to 307,599.40, 461,399.10 and 97,301.80

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Solution

The fourth proportional to 307,599.40, 461,399.10 and 97,301.80 is: 145,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,599.40 : 461,399.10 = 97,301.80 : x
  2. Step 2: Convert to fraction form
    307,599.40/461,399.10 = 97,301.80/x
  3. Step 3: Cross multiply
    307,599.40x = 461,399.10 × 97,301.80
  4. Step 4: Simplify right side
    307,599.40x = 44,894,962,948.38
  5. Step 5: Solve for x
    x = 44,894,962,948.38/307,599.40
  6. Step 6: Final answer
    x = 145,952.70

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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.