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Finding the Fourth Proportional to 480,265.46, 662,709.94 and 265,392.71

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Solution

The fourth proportional to 480,265.46, 662,709.94 and 265,392.71 is: 366,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,265.46 : 662,709.94 = 265,392.71 : x
  2. Step 2: Convert to fraction form
    480,265.46/662,709.94 = 265,392.71/x
  3. Step 3: Cross multiply
    480,265.46x = 662,709.94 × 265,392.71
  4. Step 4: Simplify right side
    480,265.46x = 175,878,386,920.54
  5. Step 5: Solve for x
    x = 175,878,386,920.54/480,265.46
  6. Step 6: Final answer
    x = 366,210.78

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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.