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Finding the Fourth Proportional to 243,083.40, 364,625.08 and 65,590.39

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Solution

The fourth proportional to 243,083.40, 364,625.08 and 65,590.39 is: 98,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,083.40 : 364,625.08 = 65,590.39 : x
  2. Step 2: Convert to fraction form
    243,083.40/364,625.08 = 65,590.39/x
  3. Step 3: Cross multiply
    243,083.40x = 364,625.08 × 65,590.39
  4. Step 4: Simplify right side
    243,083.40x = 23,915,901,200.98
  5. Step 5: Solve for x
    x = 23,915,901,200.98/243,083.40
  6. Step 6: Final answer
    x = 98,385.58

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1.5x scale

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.