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Finding the Fourth Proportional to 480,149.68, 662,588.70 and 265,285.12

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Solution

The fourth proportional to 480,149.68, 662,588.70 and 265,285.12 is: 366,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,149.68 : 662,588.70 = 265,285.12 : x
  2. Step 2: Convert to fraction form
    480,149.68/662,588.70 = 265,285.12/x
  3. Step 3: Cross multiply
    480,149.68x = 662,588.70 × 265,285.12
  4. Step 4: Simplify right side
    480,149.68x = 175,774,922,790.14
  5. Step 5: Solve for x
    x = 175,774,922,790.14/480,149.68
  6. Step 6: Final answer
    x = 366,083.60

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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.