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Finding the Fourth Proportional to 536,710.86, 740,668.59 and 295,015.77

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Solution

The fourth proportional to 536,710.86, 740,668.59 and 295,015.77 is: 407,125.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,710.86 : 740,668.59 = 295,015.77 : x
  2. Step 2: Convert to fraction form
    536,710.86/740,668.59 = 295,015.77/x
  3. Step 3: Cross multiply
    536,710.86x = 740,668.59 × 295,015.77
  4. Step 4: Simplify right side
    536,710.86x = 218,508,914,393.66
  5. Step 5: Solve for x
    x = 218,508,914,393.66/536,710.86
  6. Step 6: Final answer
    x = 407,125.94

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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.