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Finding the Fourth Proportional to 364,357.39, 546,606.14 and 139,700.30

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Solution

The fourth proportional to 364,357.39, 546,606.14 and 139,700.30 is: 209,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,357.39 : 546,606.14 = 139,700.30 : x
  2. Step 2: Convert to fraction form
    364,357.39/546,606.14 = 139,700.30/x
  3. Step 3: Cross multiply
    364,357.39x = 546,606.14 × 139,700.30
  4. Step 4: Simplify right side
    364,357.39x = 76,361,042,612.32
  5. Step 5: Solve for x
    x = 76,361,042,612.32/364,357.39
  6. Step 6: Final answer
    x = 209,577.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.