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Finding the Fourth Proportional to 585,004.56, 807,586.98 and 370,248.72

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Solution

The fourth proportional to 585,004.56, 807,586.98 and 370,248.72 is: 511,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,004.56 : 807,586.98 = 370,248.72 : x
  2. Step 2: Convert to fraction form
    585,004.56/807,586.98 = 370,248.72/x
  3. Step 3: Cross multiply
    585,004.56x = 807,586.98 × 370,248.72
  4. Step 4: Simplify right side
    585,004.56x = 299,008,045,633.67
  5. Step 5: Solve for x
    x = 299,008,045,633.67/585,004.56
  6. Step 6: Final answer
    x = 511,120.88

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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.