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Finding the Fourth Proportional to 480,141.21, 662,577 and 265,276.68

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Solution

The fourth proportional to 480,141.21, 662,577 and 265,276.68 is: 366,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,141.21 : 662,577 = 265,276.68 : x
  2. Step 2: Convert to fraction form
    480,141.21/662,577 = 265,276.68/x
  3. Step 3: Cross multiply
    480,141.21x = 662,577 × 265,276.68
  4. Step 4: Simplify right side
    480,141.21x = 175,766,226,804.36
  5. Step 5: Solve for x
    x = 175,766,226,804.36/480,141.21
  6. Step 6: Final answer
    x = 366,071.95

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1.5x scale

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.