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Finding the Fourth Proportional to 606,686.20, 910,029.30 and 583,358.20

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Solution

The fourth proportional to 606,686.20, 910,029.30 and 583,358.20 is: 875,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,686.20 : 910,029.30 = 583,358.20 : x
  2. Step 2: Convert to fraction form
    606,686.20/910,029.30 = 583,358.20/x
  3. Step 3: Cross multiply
    606,686.20x = 910,029.30 × 583,358.20
  4. Step 4: Simplify right side
    606,686.20x = 530,873,054,395.26
  5. Step 5: Solve for x
    x = 530,873,054,395.26/606,686.20
  6. Step 6: Final answer
    x = 875,037.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.