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Finding the Fourth Proportional to 430,798.73, 594,486.20 and 239,808.02

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Solution

The fourth proportional to 430,798.73, 594,486.20 and 239,808.02 is: 330,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,798.73 : 594,486.20 = 239,808.02 : x
  2. Step 2: Convert to fraction form
    430,798.73/594,486.20 = 239,808.02/x
  3. Step 3: Cross multiply
    430,798.73x = 594,486.20 × 239,808.02
  4. Step 4: Simplify right side
    430,798.73x = 142,562,556,166.41
  5. Step 5: Solve for x
    x = 142,562,556,166.41/430,798.73
  6. Step 6: Final answer
    x = 330,926.13

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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.