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Finding the Fourth Proportional to 808,866.93, 1,116,270.12 and 446,314.32

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Solution

The fourth proportional to 808,866.93, 1,116,270.12 and 446,314.32 is: 615,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,866.93 : 1,116,270.12 = 446,314.32 : x
  2. Step 2: Convert to fraction form
    808,866.93/1,116,270.12 = 446,314.32/x
  3. Step 3: Cross multiply
    808,866.93x = 1,116,270.12 × 446,314.32
  4. Step 4: Simplify right side
    808,866.93x = 498,207,339,544.12
  5. Step 5: Solve for x
    x = 498,207,339,544.12/808,866.93
  6. Step 6: Final answer
    x = 615,932.39

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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.