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Finding the Fourth Proportional to 585,260.34, 807,724.83 and 330,627.93

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Solution

The fourth proportional to 585,260.34, 807,724.83 and 330,627.93 is: 456,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,260.34 : 807,724.83 = 330,627.93 : x
  2. Step 2: Convert to fraction form
    585,260.34/807,724.83 = 330,627.93/x
  3. Step 3: Cross multiply
    585,260.34x = 807,724.83 × 330,627.93
  4. Step 4: Simplify right side
    585,260.34x = 267,056,388,552.50
  5. Step 5: Solve for x
    x = 267,056,388,552.50/585,260.34
  6. Step 6: Final answer
    x = 456,303.58

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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.