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Finding the Fourth Proportional to 395,654, 593,303.64 and 235,805.36

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Solution

The fourth proportional to 395,654, 593,303.64 and 235,805.36 is: 353,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,654 : 593,303.64 = 235,805.36 : x
  2. Step 2: Convert to fraction form
    395,654/593,303.64 = 235,805.36/x
  3. Step 3: Cross multiply
    395,654x = 593,303.64 × 235,805.36
  4. Step 4: Simplify right side
    395,654x = 139,904,178,419.51
  5. Step 5: Solve for x
    x = 139,904,178,419.51/395,654
  6. Step 6: Final answer
    x = 353,602.34

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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.