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Finding the Fourth Proportional to 535,348.42, 738,802.07 and 293,639.83

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Solution

The fourth proportional to 535,348.42, 738,802.07 and 293,639.83 is: 405,234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,348.42 : 738,802.07 = 293,639.83 : x
  2. Step 2: Convert to fraction form
    535,348.42/738,802.07 = 293,639.83/x
  3. Step 3: Cross multiply
    535,348.42x = 738,802.07 × 293,639.83
  4. Step 4: Simplify right side
    535,348.42x = 216,941,714,238.45
  5. Step 5: Solve for x
    x = 216,941,714,238.45/535,348.42
  6. Step 6: Final answer
    x = 405,234.62

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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.