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Finding the Fourth Proportional to 801,088.82, 1,200,802.83 and 500,880.00

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Solution

The fourth proportional to 801,088.82, 1,200,802.83 and 500,880.00 is: 750,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,088.82 : 1,200,802.83 = 500,880.00 : x
  2. Step 2: Convert to fraction form
    801,088.82/1,200,802.83 = 500,880.00/x
  3. Step 3: Cross multiply
    801,088.82x = 1,200,802.83 × 500,880.00
  4. Step 4: Simplify right side
    801,088.82x = 601,458,124,115.11
  5. Step 5: Solve for x
    x = 601,458,124,115.11/801,088.82
  6. Step 6: Final answer
    x = 750,800.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.