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Finding the Fourth Proportional to 974,782.80, 1,461,007.80 and 501,224.40

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Solution

The fourth proportional to 974,782.80, 1,461,007.80 and 501,224.40 is: 751,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,782.80 : 1,461,007.80 = 501,224.40 : x
  2. Step 2: Convert to fraction form
    974,782.80/1,461,007.80 = 501,224.40/x
  3. Step 3: Cross multiply
    974,782.80x = 1,461,007.80 × 501,224.40
  4. Step 4: Simplify right side
    974,782.80x = 732,292,757,950.32
  5. Step 5: Solve for x
    x = 732,292,757,950.32/974,782.80
  6. Step 6: Final answer
    x = 751,236.85

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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.