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Finding the Fourth Proportional to 707,513.32, 976,956.15 and 656,228.44

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Solution

The fourth proportional to 707,513.32, 976,956.15 and 656,228.44 is: 906,140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,513.32 : 976,956.15 = 656,228.44 : x
  2. Step 2: Convert to fraction form
    707,513.32/976,956.15 = 656,228.44/x
  3. Step 3: Cross multiply
    707,513.32x = 976,956.15 × 656,228.44
  4. Step 4: Simplify right side
    707,513.32x = 641,106,410,262.91
  5. Step 5: Solve for x
    x = 641,106,410,262.91/707,513.32
  6. Step 6: Final answer
    x = 906,140.41

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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.