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Finding the Fourth Proportional to 488,802.87, 733,254.93 and 133,816.86

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Solution

The fourth proportional to 488,802.87, 733,254.93 and 133,816.86 is: 200,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,802.87 : 733,254.93 = 133,816.86 : x
  2. Step 2: Convert to fraction form
    488,802.87/733,254.93 = 133,816.86/x
  3. Step 3: Cross multiply
    488,802.87x = 733,254.93 × 133,816.86
  4. Step 4: Simplify right side
    488,802.87x = 98,121,872,312.12
  5. Step 5: Solve for x
    x = 98,121,872,312.12/488,802.87
  6. Step 6: Final answer
    x = 200,739.15

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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.