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Finding the Fourth Proportional to 504,461.24, 755,039.28 and 276,409.08

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Solution

The fourth proportional to 504,461.24, 755,039.28 and 276,409.08 is: 413,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,461.24 : 755,039.28 = 276,409.08 : x
  2. Step 2: Convert to fraction form
    504,461.24/755,039.28 = 276,409.08/x
  3. Step 3: Cross multiply
    504,461.24x = 755,039.28 × 276,409.08
  4. Step 4: Simplify right side
    504,461.24x = 208,699,712,748.66
  5. Step 5: Solve for x
    x = 208,699,712,748.66/504,461.24
  6. Step 6: Final answer
    x = 413,708.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.