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Finding the Fourth Proportional to 480,336.80, 662,869.70 and 262,551.69

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Solution

The fourth proportional to 480,336.80, 662,869.70 and 262,551.69 is: 362,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,336.80 : 662,869.70 = 262,551.69 : x
  2. Step 2: Convert to fraction form
    480,336.80/662,869.70 = 262,551.69/x
  3. Step 3: Cross multiply
    480,336.80x = 662,869.70 × 262,551.69
  4. Step 4: Simplify right side
    480,336.80x = 174,037,558,672.04
  5. Step 5: Solve for x
    x = 174,037,558,672.04/480,336.80
  6. Step 6: Final answer
    x = 362,324.02

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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.