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Finding the Fourth Proportional to 586,012.58, 879,052.91 and 226,185.47

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Solution

The fourth proportional to 586,012.58, 879,052.91 and 226,185.47 is: 339,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,012.58 : 879,052.91 = 226,185.47 : x
  2. Step 2: Convert to fraction form
    586,012.58/879,052.91 = 226,185.47/x
  3. Step 3: Cross multiply
    586,012.58x = 879,052.91 × 226,185.47
  4. Step 4: Simplify right side
    586,012.58x = 198,828,996,669.92
  5. Step 5: Solve for x
    x = 198,828,996,669.92/586,012.58
  6. Step 6: Final answer
    x = 339,291.34

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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.