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Finding the Fourth Proportional to 576,213.44, 864,412.32 and 243,792.32

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Solution

The fourth proportional to 576,213.44, 864,412.32 and 243,792.32 is: 365,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,213.44 : 864,412.32 = 243,792.32 : x
  2. Step 2: Convert to fraction form
    576,213.44/864,412.32 = 243,792.32/x
  3. Step 3: Cross multiply
    576,213.44x = 864,412.32 × 243,792.32
  4. Step 4: Simplify right side
    576,213.44x = 210,737,084,929.38
  5. Step 5: Solve for x
    x = 210,737,084,929.38/576,213.44
  6. Step 6: Final answer
    x = 365,727.47

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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.