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Finding the Fourth Proportional to 480,428.22, 662,962.10 and 265,555.46

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Solution

The fourth proportional to 480,428.22, 662,962.10 and 265,555.46 is: 366,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,428.22 : 662,962.10 = 265,555.46 : x
  2. Step 2: Convert to fraction form
    480,428.22/662,962.10 = 265,555.46/x
  3. Step 3: Cross multiply
    480,428.22x = 662,962.10 × 265,555.46
  4. Step 4: Simplify right side
    480,428.22x = 176,053,205,428.07
  5. Step 5: Solve for x
    x = 176,053,205,428.07/480,428.22
  6. Step 6: Final answer
    x = 366,450.59

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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.