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Finding the Fourth Proportional to 504,966.80, 757,863.30 and 501,030.20

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Solution

The fourth proportional to 504,966.80, 757,863.30 and 501,030.20 is: 751,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,966.80 : 757,863.30 = 501,030.20 : x
  2. Step 2: Convert to fraction form
    504,966.80/757,863.30 = 501,030.20/x
  3. Step 3: Cross multiply
    504,966.80x = 757,863.30 × 501,030.20
  4. Step 4: Simplify right side
    504,966.80x = 379,712,400,771.66
  5. Step 5: Solve for x
    x = 379,712,400,771.66/504,966.80
  6. Step 6: Final answer
    x = 751,955.18

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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.