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Finding the Fourth Proportional to 660,238.98, 988,743.27 and 596,340.69

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Solution

The fourth proportional to 660,238.98, 988,743.27 and 596,340.69 is: 893,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,238.98 : 988,743.27 = 596,340.69 : x
  2. Step 2: Convert to fraction form
    660,238.98/988,743.27 = 596,340.69/x
  3. Step 3: Cross multiply
    660,238.98x = 988,743.27 × 596,340.69
  4. Step 4: Simplify right side
    660,238.98x = 589,627,843,864.66
  5. Step 5: Solve for x
    x = 589,627,843,864.66/660,238.98
  6. Step 6: Final answer
    x = 893,052.15

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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.