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Finding the Fourth Proportional to 577,670.72, 797,168.70 and 319,557.93

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Solution

The fourth proportional to 577,670.72, 797,168.70 and 319,557.93 is: 440,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,670.72 : 797,168.70 = 319,557.93 : x
  2. Step 2: Convert to fraction form
    577,670.72/797,168.70 = 319,557.93/x
  3. Step 3: Cross multiply
    577,670.72x = 797,168.70 × 319,557.93
  4. Step 4: Simplify right side
    577,670.72x = 254,741,579,632.79
  5. Step 5: Solve for x
    x = 254,741,579,632.79/577,670.72
  6. Step 6: Final answer
    x = 440,980.60

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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.