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Finding the Fourth Proportional to 480,124.62, 662,564.21 and 262,328.63

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Solution

The fourth proportional to 480,124.62, 662,564.21 and 262,328.63 is: 362,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,124.62 : 662,564.21 = 262,328.63 : x
  2. Step 2: Convert to fraction form
    480,124.62/662,564.21 = 262,328.63/x
  3. Step 3: Cross multiply
    480,124.62x = 662,564.21 × 262,328.63
  4. Step 4: Simplify right side
    480,124.62x = 173,809,556,871.87
  5. Step 5: Solve for x
    x = 173,809,556,871.87/480,124.62
  6. Step 6: Final answer
    x = 362,009.26

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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.