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Finding the Fourth Proportional to 585,506.73, 807,988.77 and 330,852.45

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Solution

The fourth proportional to 585,506.73, 807,988.77 and 330,852.45 is: 456,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,506.73 : 807,988.77 = 330,852.45 : x
  2. Step 2: Convert to fraction form
    585,506.73/807,988.77 = 330,852.45/x
  3. Step 3: Cross multiply
    585,506.73x = 807,988.77 × 330,852.45
  4. Step 4: Simplify right side
    585,506.73x = 267,325,064,126.99
  5. Step 5: Solve for x
    x = 267,325,064,126.99/585,506.73
  6. Step 6: Final answer
    x = 456,570.44

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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.