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Finding the Fourth Proportional to 611,567.48, 843,959.86 and 335,930.76

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Solution

The fourth proportional to 611,567.48, 843,959.86 and 335,930.76 is: 463,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,567.48 : 843,959.86 = 335,930.76 : x
  2. Step 2: Convert to fraction form
    611,567.48/843,959.86 = 335,930.76/x
  3. Step 3: Cross multiply
    611,567.48x = 843,959.86 × 335,930.76
  4. Step 4: Simplify right side
    611,567.48x = 283,512,076,339.47
  5. Step 5: Solve for x
    x = 283,512,076,339.47/611,567.48
  6. Step 6: Final answer
    x = 463,582.65

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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.