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Finding the Fourth Proportional to 480,196.86, 662,671.44 and 265,335.05

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Solution

The fourth proportional to 480,196.86, 662,671.44 and 265,335.05 is: 366,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,196.86 : 662,671.44 = 265,335.05 : x
  2. Step 2: Convert to fraction form
    480,196.86/662,671.44 = 265,335.05/x
  3. Step 3: Cross multiply
    480,196.86x = 662,671.44 × 265,335.05
  4. Step 4: Simplify right side
    480,196.86x = 175,829,956,352.62
  5. Step 5: Solve for x
    x = 175,829,956,352.62/480,196.86
  6. Step 6: Final answer
    x = 366,162.24

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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.