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Finding the Fourth Proportional to 562,268.28, 775,948.86 and 307,619.58

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Solution

The fourth proportional to 562,268.28, 775,948.86 and 307,619.58 is: 424,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,268.28 : 775,948.86 = 307,619.58 : x
  2. Step 2: Convert to fraction form
    562,268.28/775,948.86 = 307,619.58/x
  3. Step 3: Cross multiply
    562,268.28x = 775,948.86 × 307,619.58
  4. Step 4: Simplify right side
    562,268.28x = 238,697,062,414.68
  5. Step 5: Solve for x
    x = 238,697,062,414.68/562,268.28
  6. Step 6: Final answer
    x = 424,525.21

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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.