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Finding the Fourth Proportional to 480,134.68, 662,592.81 and 265,279.69

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Solution

The fourth proportional to 480,134.68, 662,592.81 and 265,279.69 is: 366,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,134.68 : 662,592.81 = 265,279.69 : x
  2. Step 2: Convert to fraction form
    480,134.68/662,592.81 = 265,279.69/x
  3. Step 3: Cross multiply
    480,134.68x = 662,592.81 × 265,279.69
  4. Step 4: Simplify right side
    480,134.68x = 175,772,415,233.03
  5. Step 5: Solve for x
    x = 175,772,415,233.03/480,134.68
  6. Step 6: Final answer
    x = 366,089.81

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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.