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Finding the Fourth Proportional to 302,691.40, 453,818.40 and 169,612.45

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Solution

The fourth proportional to 302,691.40, 453,818.40 and 169,612.45 is: 254,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,691.40 : 453,818.40 = 169,612.45 : x
  2. Step 2: Convert to fraction form
    302,691.40/453,818.40 = 169,612.45/x
  3. Step 3: Cross multiply
    302,691.40x = 453,818.40 × 169,612.45
  4. Step 4: Simplify right side
    302,691.40x = 76,973,250,679.08
  5. Step 5: Solve for x
    x = 76,973,250,679.08/302,691.40
  6. Step 6: Final answer
    x = 254,296.13

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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.