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Finding the Fourth Proportional to 543,802.84, 750,427.05 and 302,100.61

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Solution

The fourth proportional to 543,802.84, 750,427.05 and 302,100.61 is: 416,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,802.84 : 750,427.05 = 302,100.61 : x
  2. Step 2: Convert to fraction form
    543,802.84/750,427.05 = 302,100.61/x
  3. Step 3: Cross multiply
    543,802.84x = 750,427.05 × 302,100.61
  4. Step 4: Simplify right side
    543,802.84x = 226,704,465,813.37
  5. Step 5: Solve for x
    x = 226,704,465,813.37/543,802.84
  6. Step 6: Final answer
    x = 416,887.25

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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.