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Finding the Fourth Proportional to 302,005.87, 453,031.99 and 99,523.22

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Solution

The fourth proportional to 302,005.87, 453,031.99 and 99,523.22 is: 149,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,005.87 : 453,031.99 = 99,523.22 : x
  2. Step 2: Convert to fraction form
    302,005.87/453,031.99 = 99,523.22/x
  3. Step 3: Cross multiply
    302,005.87x = 453,031.99 × 99,523.22
  4. Step 4: Simplify right side
    302,005.87x = 45,087,199,893.84
  5. Step 5: Solve for x
    x = 45,087,199,893.84/302,005.87
  6. Step 6: Final answer
    x = 149,292.46

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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.