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Finding the Fourth Proportional to 302,652.99, 453,978.05 and 92,290.23

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Solution

The fourth proportional to 302,652.99, 453,978.05 and 92,290.23 is: 138,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,652.99 : 453,978.05 = 92,290.23 : x
  2. Step 2: Convert to fraction form
    302,652.99/453,978.05 = 92,290.23/x
  3. Step 3: Cross multiply
    302,652.99x = 453,978.05 × 92,290.23
  4. Step 4: Simplify right side
    302,652.99x = 41,897,738,188.00
  5. Step 5: Solve for x
    x = 41,897,738,188.00/302,652.99
  6. Step 6: Final answer
    x = 138,434.91

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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.