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Finding the Fourth Proportional to 590,874.76, 816,086.10 and 430,447.24

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Solution

The fourth proportional to 590,874.76, 816,086.10 and 430,447.24 is: 594,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,874.76 : 816,086.10 = 430,447.24 : x
  2. Step 2: Convert to fraction form
    590,874.76/816,086.10 = 430,447.24/x
  3. Step 3: Cross multiply
    590,874.76x = 816,086.10 × 430,447.24
  4. Step 4: Simplify right side
    590,874.76x = 351,282,009,347.36
  5. Step 5: Solve for x
    x = 351,282,009,347.36/590,874.76
  6. Step 6: Final answer
    x = 594,511.79

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Double scale
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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.