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Finding the Fourth Proportional to 560,811.06, 773,892.27 and 319,071.06

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Solution

The fourth proportional to 560,811.06, 773,892.27 and 319,071.06 is: 440,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,811.06 : 773,892.27 = 319,071.06 : x
  2. Step 2: Convert to fraction form
    560,811.06/773,892.27 = 319,071.06/x
  3. Step 3: Cross multiply
    560,811.06x = 773,892.27 × 319,071.06
  4. Step 4: Simplify right side
    560,811.06x = 246,926,626,914.71
  5. Step 5: Solve for x
    x = 246,926,626,914.71/560,811.06
  6. Step 6: Final answer
    x = 440,302.71

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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.