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Finding the Fourth Proportional to 504,127.32, 695,685.94 and 274,681.86

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Solution

The fourth proportional to 504,127.32, 695,685.94 and 274,681.86 is: 379,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,127.32 : 695,685.94 = 274,681.86 : x
  2. Step 2: Convert to fraction form
    504,127.32/695,685.94 = 274,681.86/x
  3. Step 3: Cross multiply
    504,127.32x = 695,685.94 × 274,681.86
  4. Step 4: Simplify right side
    504,127.32x = 191,092,307,975.05
  5. Step 5: Solve for x
    x = 191,092,307,975.05/504,127.32
  6. Step 6: Final answer
    x = 379,055.65

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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.