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Finding the Fourth Proportional to 302,012.79, 453,369.15 and 162,044.79

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Solution

The fourth proportional to 302,012.79, 453,369.15 and 162,044.79 is: 243,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,012.79 : 453,369.15 = 162,044.79 : x
  2. Step 2: Convert to fraction form
    302,012.79/453,369.15 = 162,044.79/x
  3. Step 3: Cross multiply
    302,012.79x = 453,369.15 × 162,044.79
  4. Step 4: Simplify right side
    302,012.79x = 73,466,108,704.23
  5. Step 5: Solve for x
    x = 73,466,108,704.23/302,012.79
  6. Step 6: Final answer
    x = 243,254.96

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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.