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Finding the Fourth Proportional to 243,083.24, 364,624.85 and 65,590.24

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Solution

The fourth proportional to 243,083.24, 364,624.85 and 65,590.24 is: 98,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,083.24 : 364,624.85 = 65,590.24 : x
  2. Step 2: Convert to fraction form
    243,083.24/364,624.85 = 65,590.24/x
  3. Step 3: Cross multiply
    243,083.24x = 364,624.85 × 65,590.24
  4. Step 4: Simplify right side
    243,083.24x = 23,915,831,549.29
  5. Step 5: Solve for x
    x = 23,915,831,549.29/243,083.24
  6. Step 6: Final answer
    x = 98,385.36

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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.