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Finding the Fourth Proportional to 1,949,470.74, 2,922,434.64 and 883,931.58

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Solution

The fourth proportional to 1,949,470.74, 2,922,434.64 and 883,931.58 is: 1,325,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,470.74 : 2,922,434.64 = 883,931.58 : x
  2. Step 2: Convert to fraction form
    1,949,470.74/2,922,434.64 = 883,931.58/x
  3. Step 3: Cross multiply
    1,949,470.74x = 2,922,434.64 × 883,931.58
  4. Step 4: Simplify right side
    1,949,470.74x = 2,583,232,268,781.93
  5. Step 5: Solve for x
    x = 2,583,232,268,781.93/1,949,470.74
  6. Step 6: Final answer
    x = 1,325,094.15

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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.