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Finding the Fourth Proportional to 480,145.67, 662,614.40 and 265,299.59

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Solution

The fourth proportional to 480,145.67, 662,614.40 and 265,299.59 is: 366,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,145.67 : 662,614.40 = 265,299.59 : x
  2. Step 2: Convert to fraction form
    480,145.67/662,614.40 = 265,299.59/x
  3. Step 3: Cross multiply
    480,145.67x = 662,614.40 × 265,299.59
  4. Step 4: Simplify right side
    480,145.67x = 175,791,328,648.10
  5. Step 5: Solve for x
    x = 175,791,328,648.10/480,145.67
  6. Step 6: Final answer
    x = 366,120.82

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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.