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Finding the Fourth Proportional to 983,767.88, 1,357,696.53 and 575,845.00

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Solution

The fourth proportional to 983,767.88, 1,357,696.53 and 575,845.00 is: 794,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,767.88 : 1,357,696.53 = 575,845.00 : x
  2. Step 2: Convert to fraction form
    983,767.88/1,357,696.53 = 575,845.00/x
  3. Step 3: Cross multiply
    983,767.88x = 1,357,696.53 × 575,845.00
  4. Step 4: Simplify right side
    983,767.88x = 781,822,754,923.61
  5. Step 5: Solve for x
    x = 781,822,754,923.61/983,767.88
  6. Step 6: Final answer
    x = 794,722.79

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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.