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Finding the Fourth Proportional to 461,145.60, 635,061.60 and 333,619.20

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Solution

The fourth proportional to 461,145.60, 635,061.60 and 333,619.20 is: 459,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,145.60 : 635,061.60 = 333,619.20 : x
  2. Step 2: Convert to fraction form
    461,145.60/635,061.60 = 333,619.20/x
  3. Step 3: Cross multiply
    461,145.60x = 635,061.60 × 333,619.20
  4. Step 4: Simplify right side
    461,145.60x = 211,868,742,942.72
  5. Step 5: Solve for x
    x = 211,868,742,942.72/461,145.60
  6. Step 6: Final answer
    x = 459,440.02

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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.