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Finding the Fourth Proportional to 961,039, 1,326,013.36 and 573,778.96

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Solution

The fourth proportional to 961,039, 1,326,013.36 and 573,778.96 is: 791,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,039 : 1,326,013.36 = 573,778.96 : x
  2. Step 2: Convert to fraction form
    961,039/1,326,013.36 = 573,778.96/x
  3. Step 3: Cross multiply
    961,039x = 1,326,013.36 × 573,778.96
  4. Step 4: Simplify right side
    961,039x = 760,838,566,646.91
  5. Step 5: Solve for x
    x = 760,838,566,646.91/961,039
  6. Step 6: Final answer
    x = 791,683.34

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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.