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Finding the Fourth Proportional to 853,644.60, 1,277,702.10 and 604,812.60

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Solution

The fourth proportional to 853,644.60, 1,277,702.10 and 604,812.60 is: 905,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,644.60 : 1,277,702.10 = 604,812.60 : x
  2. Step 2: Convert to fraction form
    853,644.60/1,277,702.10 = 604,812.60/x
  3. Step 3: Cross multiply
    853,644.60x = 1,277,702.10 × 604,812.60
  4. Step 4: Simplify right side
    853,644.60x = 772,770,329,126.46
  5. Step 5: Solve for x
    x = 772,770,329,126.46/853,644.60
  6. Step 6: Final answer
    x = 905,260.02

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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.