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Finding the Fourth Proportional to 480,412.52, 662,940.77 and 265,539.77

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Solution

The fourth proportional to 480,412.52, 662,940.77 and 265,539.77 is: 366,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,412.52 : 662,940.77 = 265,539.77 : x
  2. Step 2: Convert to fraction form
    480,412.52/662,940.77 = 265,539.77/x
  3. Step 3: Cross multiply
    480,412.52x = 662,940.77 × 265,539.77
  4. Step 4: Simplify right side
    480,412.52x = 176,037,136,274.72
  5. Step 5: Solve for x
    x = 176,037,136,274.72/480,412.52
  6. Step 6: Final answer
    x = 366,429.12

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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.