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Finding the Fourth Proportional to 364,434.76, 502,920.72 and 203,285.62

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Solution

The fourth proportional to 364,434.76, 502,920.72 and 203,285.62 is: 280,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,434.76 : 502,920.72 = 203,285.62 : x
  2. Step 2: Convert to fraction form
    364,434.76/502,920.72 = 203,285.62/x
  3. Step 3: Cross multiply
    364,434.76x = 502,920.72 × 203,285.62
  4. Step 4: Simplify right side
    364,434.76x = 102,236,550,376.05
  5. Step 5: Solve for x
    x = 102,236,550,376.05/364,434.76
  6. Step 6: Final answer
    x = 280,534.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.