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Finding the Fourth Proportional to 586,088.22, 808,026.42 and 422,607.96

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Solution

The fourth proportional to 586,088.22, 808,026.42 and 422,607.96 is: 582,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,088.22 : 808,026.42 = 422,607.96 : x
  2. Step 2: Convert to fraction form
    586,088.22/808,026.42 = 422,607.96/x
  3. Step 3: Cross multiply
    586,088.22x = 808,026.42 × 422,607.96
  4. Step 4: Simplify right side
    586,088.22x = 341,478,396,982.30
  5. Step 5: Solve for x
    x = 341,478,396,982.30/586,088.22
  6. Step 6: Final answer
    x = 582,639.93

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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.