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Finding the Fourth Proportional to 585,211.22, 807,939.52 and 370,535.30

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Solution

The fourth proportional to 585,211.22, 807,939.52 and 370,535.30 is: 511,559.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,211.22 : 807,939.52 = 370,535.30 : x
  2. Step 2: Convert to fraction form
    585,211.22/807,939.52 = 370,535.30/x
  3. Step 3: Cross multiply
    585,211.22x = 807,939.52 × 370,535.30
  4. Step 4: Simplify right side
    585,211.22x = 299,370,107,459.02
  5. Step 5: Solve for x
    x = 299,370,107,459.02/585,211.22
  6. Step 6: Final answer
    x = 511,559.07

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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.