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Finding the Fourth Proportional to 656,976.32, 906,625.44 and 370,494.32

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Solution

The fourth proportional to 656,976.32, 906,625.44 and 370,494.32 is: 511,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,976.32 : 906,625.44 = 370,494.32 : x
  2. Step 2: Convert to fraction form
    656,976.32/906,625.44 = 370,494.32/x
  3. Step 3: Cross multiply
    656,976.32x = 906,625.44 × 370,494.32
  4. Step 4: Simplify right side
    656,976.32x = 335,899,575,887.50
  5. Step 5: Solve for x
    x = 335,899,575,887.50/656,976.32
  6. Step 6: Final answer
    x = 511,281.10

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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.