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Finding the Fourth Proportional to 585,259.34, 807,723.45 and 330,626.93

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Solution

The fourth proportional to 585,259.34, 807,723.45 and 330,626.93 is: 456,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,259.34 : 807,723.45 = 330,626.93 : x
  2. Step 2: Convert to fraction form
    585,259.34/807,723.45 = 330,626.93/x
  3. Step 3: Cross multiply
    585,259.34x = 807,723.45 × 330,626.93
  4. Step 4: Simplify right side
    585,259.34x = 267,055,120,523.89
  5. Step 5: Solve for x
    x = 267,055,120,523.89/585,259.34
  6. Step 6: Final answer
    x = 456,302.20

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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.