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Finding the Fourth Proportional to 588,426.76, 811,987.86 and 333,818.92

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Solution

The fourth proportional to 588,426.76, 811,987.86 and 333,818.92 is: 460,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,426.76 : 811,987.86 = 333,818.92 : x
  2. Step 2: Convert to fraction form
    588,426.76/811,987.86 = 333,818.92/x
  3. Step 3: Cross multiply
    588,426.76x = 811,987.86 × 333,818.92
  4. Step 4: Simplify right side
    588,426.76x = 271,056,910,478.31
  5. Step 5: Solve for x
    x = 271,056,910,478.31/588,426.76
  6. Step 6: Final answer
    x = 460,646.81

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Double scale
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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.