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Finding the Fourth Proportional to 480,125.21, 662,516.31 and 265,252.46

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Solution

The fourth proportional to 480,125.21, 662,516.31 and 265,252.46 is: 366,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,125.21 : 662,516.31 = 265,252.46 : x
  2. Step 2: Convert to fraction form
    480,125.21/662,516.31 = 265,252.46/x
  3. Step 3: Cross multiply
    480,125.21x = 662,516.31 × 265,252.46
  4. Step 4: Simplify right side
    480,125.21x = 175,734,078,699.74
  5. Step 5: Solve for x
    x = 175,734,078,699.74/480,125.21
  6. Step 6: Final answer
    x = 366,017.19

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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.