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Finding the Fourth Proportional to 302,586.60, 453,005.10 and 293,838.60

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Solution

The fourth proportional to 302,586.60, 453,005.10 and 293,838.60 is: 439,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,586.60 : 453,005.10 = 293,838.60 : x
  2. Step 2: Convert to fraction form
    302,586.60/453,005.10 = 293,838.60/x
  3. Step 3: Cross multiply
    302,586.60x = 453,005.10 × 293,838.60
  4. Step 4: Simplify right side
    302,586.60x = 133,110,384,376.86
  5. Step 5: Solve for x
    x = 133,110,384,376.86/302,586.60
  6. Step 6: Final answer
    x = 439,908.39

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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.