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Finding the Fourth Proportional to 802,098.70, 1,106,482.20 and 543,888.30

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Solution

The fourth proportional to 802,098.70, 1,106,482.20 and 543,888.30 is: 750,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,098.70 : 1,106,482.20 = 543,888.30 : x
  2. Step 2: Convert to fraction form
    802,098.70/1,106,482.20 = 543,888.30/x
  3. Step 3: Cross multiply
    802,098.70x = 1,106,482.20 × 543,888.30
  4. Step 4: Simplify right side
    802,098.70x = 601,802,722,738.26
  5. Step 5: Solve for x
    x = 601,802,722,738.26/802,098.70
  6. Step 6: Final answer
    x = 750,285.12

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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.