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Finding the Fourth Proportional to 707,633.92, 976,525.09 and 401,707.63

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Solution

The fourth proportional to 707,633.92, 976,525.09 and 401,707.63 is: 554,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,633.92 : 976,525.09 = 401,707.63 : x
  2. Step 2: Convert to fraction form
    707,633.92/976,525.09 = 401,707.63/x
  3. Step 3: Cross multiply
    707,633.92x = 976,525.09 × 401,707.63
  4. Step 4: Simplify right side
    707,633.92x = 392,277,582,015.43
  5. Step 5: Solve for x
    x = 392,277,582,015.43/707,633.92
  6. Step 6: Final answer
    x = 554,351.01

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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.