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Finding the Fourth Proportional to 586,081.92, 808,738.56 and 331,432.32

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Solution

The fourth proportional to 586,081.92, 808,738.56 and 331,432.32 is: 457,345.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,081.92 : 808,738.56 = 331,432.32 : x
  2. Step 2: Convert to fraction form
    586,081.92/808,738.56 = 331,432.32/x
  3. Step 3: Cross multiply
    586,081.92x = 808,738.56 × 331,432.32
  4. Step 4: Simplify right side
    586,081.92x = 268,042,097,214.26
  5. Step 5: Solve for x
    x = 268,042,097,214.26/586,081.92
  6. Step 6: Final answer
    x = 457,345.79

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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.