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Finding the Fourth Proportional to 536,458.53, 740,004.78 and 334,904.61

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Solution

The fourth proportional to 536,458.53, 740,004.78 and 334,904.61 is: 461,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,458.53 : 740,004.78 = 334,904.61 : x
  2. Step 2: Convert to fraction form
    536,458.53/740,004.78 = 334,904.61/x
  3. Step 3: Cross multiply
    536,458.53x = 740,004.78 × 334,904.61
  4. Step 4: Simplify right side
    536,458.53x = 247,831,012,244.04
  5. Step 5: Solve for x
    x = 247,831,012,244.04/536,458.53
  6. Step 6: Final answer
    x = 461,976.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.