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Finding the Fourth Proportional to 319,752.86, 441,259.03 and 176,513

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Solution

The fourth proportional to 319,752.86, 441,259.03 and 176,513 is: 243,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,752.86 : 441,259.03 = 176,513 : x
  2. Step 2: Convert to fraction form
    319,752.86/441,259.03 = 176,513/x
  3. Step 3: Cross multiply
    319,752.86x = 441,259.03 × 176,513
  4. Step 4: Simplify right side
    319,752.86x = 77,887,954,279.83
  5. Step 5: Solve for x
    x = 77,887,954,279.83/319,752.86
  6. Step 6: Final answer
    x = 243,587.98

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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.