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Finding the Fourth Proportional to 571,504.36, 786,876.42 and 435,100.36

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Solution

The fourth proportional to 571,504.36, 786,876.42 and 435,100.36 is: 599,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,504.36 : 786,876.42 = 435,100.36 : x
  2. Step 2: Convert to fraction form
    571,504.36/786,876.42 = 435,100.36/x
  3. Step 3: Cross multiply
    571,504.36x = 786,876.42 × 435,100.36
  4. Step 4: Simplify right side
    571,504.36x = 342,370,213,617.51
  5. Step 5: Solve for x
    x = 342,370,213,617.51/571,504.36
  6. Step 6: Final answer
    x = 599,068.42

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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.