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Finding the Fourth Proportional to 357,960.04, 536,670.78 and 308,621.32

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Solution

The fourth proportional to 357,960.04, 536,670.78 and 308,621.32 is: 462,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,960.04 : 536,670.78 = 308,621.32 : x
  2. Step 2: Convert to fraction form
    357,960.04/536,670.78 = 308,621.32/x
  3. Step 3: Cross multiply
    357,960.04x = 536,670.78 × 308,621.32
  4. Step 4: Simplify right side
    357,960.04x = 165,628,044,529.03
  5. Step 5: Solve for x
    x = 165,628,044,529.03/357,960.04
  6. Step 6: Final answer
    x = 462,699.82

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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.