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Finding the Fourth Proportional to 370,164.15, 510,562.31 and 255,486.15

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Solution

The fourth proportional to 370,164.15, 510,562.31 and 255,486.15 is: 352,388.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,164.15 : 510,562.31 = 255,486.15 : x
  2. Step 2: Convert to fraction form
    370,164.15/510,562.31 = 255,486.15/x
  3. Step 3: Cross multiply
    370,164.15x = 510,562.31 × 255,486.15
  4. Step 4: Simplify right side
    370,164.15x = 130,441,597,639.58
  5. Step 5: Solve for x
    x = 130,441,597,639.58/370,164.15
  6. Step 6: Final answer
    x = 352,388.52

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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.