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Finding the Fourth Proportional to 480,099.40, 662,531.22 and 265,224.28

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Solution

The fourth proportional to 480,099.40, 662,531.22 and 265,224.28 is: 366,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,099.40 : 662,531.22 = 265,224.28 : x
  2. Step 2: Convert to fraction form
    480,099.40/662,531.22 = 265,224.28/x
  3. Step 3: Cross multiply
    480,099.40x = 662,531.22 × 265,224.28
  4. Step 4: Simplify right side
    480,099.40x = 175,719,365,802.02
  5. Step 5: Solve for x
    x = 175,719,365,802.02/480,099.40
  6. Step 6: Final answer
    x = 366,006.22

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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.