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Finding the Fourth Proportional to 593,424.65, 818,908.97 and 348,405.32

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Solution

The fourth proportional to 593,424.65, 818,908.97 and 348,405.32 is: 480,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,424.65 : 818,908.97 = 348,405.32 : x
  2. Step 2: Convert to fraction form
    593,424.65/818,908.97 = 348,405.32/x
  3. Step 3: Cross multiply
    593,424.65x = 818,908.97 × 348,405.32
  4. Step 4: Simplify right side
    593,424.65x = 285,312,235,907.15
  5. Step 5: Solve for x
    x = 285,312,235,907.15/593,424.65
  6. Step 6: Final answer
    x = 480,789.33

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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.