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Finding the Fourth Proportional to 535,374.15, 738,803.61 and 293,654.58

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Solution

The fourth proportional to 535,374.15, 738,803.61 and 293,654.58 is: 405,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,374.15 : 738,803.61 = 293,654.58 : x
  2. Step 2: Convert to fraction form
    535,374.15/738,803.61 = 293,654.58/x
  3. Step 3: Cross multiply
    535,374.15x = 738,803.61 × 293,654.58
  4. Step 4: Simplify right side
    535,374.15x = 216,953,063,797.03
  5. Step 5: Solve for x
    x = 216,953,063,797.03/535,374.15
  6. Step 6: Final answer
    x = 405,236.35

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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.