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Finding the Fourth Proportional to 941,796.32, 1,299,695.22 and 512,079.37

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Solution

The fourth proportional to 941,796.32, 1,299,695.22 and 512,079.37 is: 706,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,796.32 : 1,299,695.22 = 512,079.37 : x
  2. Step 2: Convert to fraction form
    941,796.32/1,299,695.22 = 512,079.37/x
  3. Step 3: Cross multiply
    941,796.32x = 1,299,695.22 × 512,079.37
  4. Step 4: Simplify right side
    941,796.32x = 665,547,106,200.37
  5. Step 5: Solve for x
    x = 665,547,106,200.37/941,796.32
  6. Step 6: Final answer
    x = 706,678.39

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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.