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Finding the Fourth Proportional to 504,090.68, 695,624.91 and 274,649.81

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Solution

The fourth proportional to 504,090.68, 695,624.91 and 274,649.81 is: 379,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,090.68 : 695,624.91 = 274,649.81 : x
  2. Step 2: Convert to fraction form
    504,090.68/695,624.91 = 274,649.81/x
  3. Step 3: Cross multiply
    504,090.68x = 695,624.91 × 274,649.81
  4. Step 4: Simplify right side
    504,090.68x = 191,053,249,362.77
  5. Step 5: Solve for x
    x = 191,053,249,362.77/504,090.68
  6. Step 6: Final answer
    x = 379,005.72

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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.