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Finding the Fourth Proportional to 478,847.03, 717,829.43 and 163,084.32

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Solution

The fourth proportional to 478,847.03, 717,829.43 and 163,084.32 is: 244,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,847.03 : 717,829.43 = 163,084.32 : x
  2. Step 2: Convert to fraction form
    478,847.03/717,829.43 = 163,084.32/x
  3. Step 3: Cross multiply
    478,847.03x = 717,829.43 × 163,084.32
  4. Step 4: Simplify right side
    478,847.03x = 117,066,723,652.12
  5. Step 5: Solve for x
    x = 117,066,723,652.12/478,847.03
  6. Step 6: Final answer
    x = 244,476.25

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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.