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Finding the Fourth Proportional to 577,849.23, 797,412.66 and 319,726.67

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Solution

The fourth proportional to 577,849.23, 797,412.66 and 319,726.67 is: 441,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,849.23 : 797,412.66 = 319,726.67 : x
  2. Step 2: Convert to fraction form
    577,849.23/797,412.66 = 319,726.67/x
  3. Step 3: Cross multiply
    577,849.23x = 797,412.66 × 319,726.67
  4. Step 4: Simplify right side
    577,849.23x = 254,954,096,225.48
  5. Step 5: Solve for x
    x = 254,954,096,225.48/577,849.23
  6. Step 6: Final answer
    x = 441,212.14

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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.