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Finding the Fourth Proportional to 503,924.35, 695,416.56 and 274,480.93

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Solution

The fourth proportional to 503,924.35, 695,416.56 and 274,480.93 is: 378,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,924.35 : 695,416.56 = 274,480.93 : x
  2. Step 2: Convert to fraction form
    503,924.35/695,416.56 = 274,480.93/x
  3. Step 3: Cross multiply
    503,924.35x = 695,416.56 × 274,480.93
  4. Step 4: Simplify right side
    503,924.35x = 190,878,579,276.71
  5. Step 5: Solve for x
    x = 190,878,579,276.71/503,924.35
  6. Step 6: Final answer
    x = 378,784.20

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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.