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Finding the Fourth Proportional to 334,394, 501,485.62 and 109,702.07

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Solution

The fourth proportional to 334,394, 501,485.62 and 109,702.07 is: 164,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,394 : 501,485.62 = 109,702.07 : x
  2. Step 2: Convert to fraction form
    334,394/501,485.62 = 109,702.07/x
  3. Step 3: Cross multiply
    334,394x = 501,485.62 × 109,702.07
  4. Step 4: Simplify right side
    334,394x = 55,014,010,589.23
  5. Step 5: Solve for x
    x = 55,014,010,589.23/334,394
  6. Step 6: Final answer
    x = 164,518.53

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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.