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Finding the Fourth Proportional to 504,020.68, 756,031.02 and 500,521.48

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Solution

The fourth proportional to 504,020.68, 756,031.02 and 500,521.48 is: 750,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,020.68 : 756,031.02 = 500,521.48 : x
  2. Step 2: Convert to fraction form
    504,020.68/756,031.02 = 500,521.48/x
  3. Step 3: Cross multiply
    504,020.68x = 756,031.02 × 500,521.48
  4. Step 4: Simplify right side
    504,020.68x = 378,409,761,276.16
  5. Step 5: Solve for x
    x = 378,409,761,276.16/504,020.68
  6. Step 6: Final answer
    x = 750,782.22

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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.