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Finding the Fourth Proportional to 585,199.50, 807,641.06 and 330,567.09

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Solution

The fourth proportional to 585,199.50, 807,641.06 and 330,567.09 is: 456,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,199.50 : 807,641.06 = 330,567.09 : x
  2. Step 2: Convert to fraction form
    585,199.50/807,641.06 = 330,567.09/x
  3. Step 3: Cross multiply
    585,199.50x = 807,641.06 × 330,567.09
  4. Step 4: Simplify right side
    585,199.50x = 266,979,553,315.88
  5. Step 5: Solve for x
    x = 266,979,553,315.88/585,199.50
  6. Step 6: Final answer
    x = 456,219.72

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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.