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Finding the Fourth Proportional to 657,191.70, 922,556.70 and 657,191.70

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Solution

The fourth proportional to 657,191.70, 922,556.70 and 657,191.70 is: 922,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,191.70 : 922,556.70 = 657,191.70 : x
  2. Step 2: Convert to fraction form
    657,191.70/922,556.70 = 657,191.70/x
  3. Step 3: Cross multiply
    657,191.70x = 922,556.70 × 657,191.70
  4. Step 4: Simplify right side
    657,191.70x = 606,296,606,019.39
  5. Step 5: Solve for x
    x = 606,296,606,019.39/657,191.70
  6. Step 6: Final answer
    x = 922,556.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.