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Finding the Fourth Proportional to 588,693.58, 812,405.66 and 330,626.39

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Solution

The fourth proportional to 588,693.58, 812,405.66 and 330,626.39 is: 456,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,693.58 : 812,405.66 = 330,626.39 : x
  2. Step 2: Convert to fraction form
    588,693.58/812,405.66 = 330,626.39/x
  3. Step 3: Cross multiply
    588,693.58x = 812,405.66 × 330,626.39
  4. Step 4: Simplify right side
    588,693.58x = 268,602,744,866.21
  5. Step 5: Solve for x
    x = 268,602,744,866.21/588,693.58
  6. Step 6: Final answer
    x = 456,269.20

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Similar ratio
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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.