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Finding the Fourth Proportional to 493,769.59, 740,803.74 and 349,953.58

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Solution

The fourth proportional to 493,769.59, 740,803.74 and 349,953.58 is: 525,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,769.59 : 740,803.74 = 349,953.58 : x
  2. Step 2: Convert to fraction form
    493,769.59/740,803.74 = 349,953.58/x
  3. Step 3: Cross multiply
    493,769.59x = 740,803.74 × 349,953.58
  4. Step 4: Simplify right side
    493,769.59x = 259,246,920,890.39
  5. Step 5: Solve for x
    x = 259,246,920,890.39/493,769.59
  6. Step 6: Final answer
    x = 525,036.22

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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.