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Finding the Fourth Proportional to 922,844.60, 1,384,007.70 and 291,951.80

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Solution

The fourth proportional to 922,844.60, 1,384,007.70 and 291,951.80 is: 437,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,844.60 : 1,384,007.70 = 291,951.80 : x
  2. Step 2: Convert to fraction form
    922,844.60/1,384,007.70 = 291,951.80/x
  3. Step 3: Cross multiply
    922,844.60x = 1,384,007.70 × 291,951.80
  4. Step 4: Simplify right side
    922,844.60x = 404,063,539,228.86
  5. Step 5: Solve for x
    x = 404,063,539,228.86/922,844.60
  6. Step 6: Final answer
    x = 437,845.70

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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.