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Finding the Fourth Proportional to 585,530.87, 808,011.64 and 330,876.59

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Solution

The fourth proportional to 585,530.87, 808,011.64 and 330,876.59 is: 456,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,530.87 : 808,011.64 = 330,876.59 : x
  2. Step 2: Convert to fraction form
    585,530.87/808,011.64 = 330,876.59/x
  3. Step 3: Cross multiply
    585,530.87x = 808,011.64 × 330,876.59
  4. Step 4: Simplify right side
    585,530.87x = 267,352,137,316.35
  5. Step 5: Solve for x
    x = 267,352,137,316.35/585,530.87
  6. Step 6: Final answer
    x = 456,597.85

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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.