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Finding the Fourth Proportional to 577,859.74, 797,427.14 and 319,737.16

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Solution

The fourth proportional to 577,859.74, 797,427.14 and 319,737.16 is: 441,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,859.74 : 797,427.14 = 319,737.16 : x
  2. Step 2: Convert to fraction form
    577,859.74/797,427.14 = 319,737.16/x
  3. Step 3: Cross multiply
    577,859.74x = 797,427.14 × 319,737.16
  4. Step 4: Simplify right side
    577,859.74x = 254,967,089,050.52
  5. Step 5: Solve for x
    x = 254,967,089,050.52/577,859.74
  6. Step 6: Final answer
    x = 441,226.60

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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.