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Finding the Fourth Proportional to 307,595.80, 461,393.70 and 201,307.60

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Solution

The fourth proportional to 307,595.80, 461,393.70 and 201,307.60 is: 301,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,595.80 : 461,393.70 = 201,307.60 : x
  2. Step 2: Convert to fraction form
    307,595.80/461,393.70 = 201,307.60/x
  3. Step 3: Cross multiply
    307,595.80x = 461,393.70 × 201,307.60
  4. Step 4: Simplify right side
    307,595.80x = 92,882,058,402.12
  5. Step 5: Solve for x
    x = 92,882,058,402.12/307,595.80
  6. Step 6: Final answer
    x = 301,961.40

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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.