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Finding the Fourth Proportional to 364,310.10, 546,465.15 and 263,999.70

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Solution

The fourth proportional to 364,310.10, 546,465.15 and 263,999.70 is: 395,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,310.10 : 546,465.15 = 263,999.70 : x
  2. Step 2: Convert to fraction form
    364,310.10/546,465.15 = 263,999.70/x
  3. Step 3: Cross multiply
    364,310.10x = 546,465.15 × 263,999.70
  4. Step 4: Simplify right side
    364,310.10x = 144,266,635,660.46
  5. Step 5: Solve for x
    x = 144,266,635,660.46/364,310.10
  6. Step 6: Final answer
    x = 395,999.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.