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Finding the Fourth Proportional to 585,690.32, 807,825.48 and 370,865.36

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Solution

The fourth proportional to 585,690.32, 807,825.48 and 370,865.36 is: 511,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,690.32 : 807,825.48 = 370,865.36 : x
  2. Step 2: Convert to fraction form
    585,690.32/807,825.48 = 370,865.36/x
  3. Step 3: Cross multiply
    585,690.32x = 807,825.48 × 370,865.36
  4. Step 4: Simplify right side
    585,690.32x = 299,594,487,457.37
  5. Step 5: Solve for x
    x = 299,594,487,457.37/585,690.32
  6. Step 6: Final answer
    x = 511,523.71

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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.