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Finding the Fourth Proportional to 551,652.63, 761,412.20 and 336,973.47

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Solution

The fourth proportional to 551,652.63, 761,412.20 and 336,973.47 is: 465,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,652.63 : 761,412.20 = 336,973.47 : x
  2. Step 2: Convert to fraction form
    551,652.63/761,412.20 = 336,973.47/x
  3. Step 3: Cross multiply
    551,652.63x = 761,412.20 × 336,973.47
  4. Step 4: Simplify right side
    551,652.63x = 256,575,709,449.47
  5. Step 5: Solve for x
    x = 256,575,709,449.47/551,652.63
  6. Step 6: Final answer
    x = 465,103.75

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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.