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Finding the Fourth Proportional to 796,509.60, 1,192,796.10 and 528,820.80

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Solution

The fourth proportional to 796,509.60, 1,192,796.10 and 528,820.80 is: 791,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,509.60 : 1,192,796.10 = 528,820.80 : x
  2. Step 2: Convert to fraction form
    796,509.60/1,192,796.10 = 528,820.80/x
  3. Step 3: Cross multiply
    796,509.60x = 1,192,796.10 × 528,820.80
  4. Step 4: Simplify right side
    796,509.60x = 630,775,387,838.88
  5. Step 5: Solve for x
    x = 630,775,387,838.88/796,509.60
  6. Step 6: Final answer
    x = 791,924.40

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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.