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Finding the Fourth Proportional to 546,840.70, 820,151.70 and 262,530.70

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Solution

The fourth proportional to 546,840.70, 820,151.70 and 262,530.70 is: 393,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,840.70 : 820,151.70 = 262,530.70 : x
  2. Step 2: Convert to fraction form
    546,840.70/820,151.70 = 262,530.70/x
  3. Step 3: Cross multiply
    546,840.70x = 820,151.70 × 262,530.70
  4. Step 4: Simplify right side
    546,840.70x = 215,314,999,907.19
  5. Step 5: Solve for x
    x = 215,314,999,907.19/546,840.70
  6. Step 6: Final answer
    x = 393,743.55

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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.