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Finding the Fourth Proportional to 453,365.91, 621,666.36 and 441,556.11

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Solution

The fourth proportional to 453,365.91, 621,666.36 and 441,556.11 is: 605,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,365.91 : 621,666.36 = 441,556.11 : x
  2. Step 2: Convert to fraction form
    453,365.91/621,666.36 = 441,556.11/x
  3. Step 3: Cross multiply
    453,365.91x = 621,666.36 × 441,556.11
  4. Step 4: Simplify right side
    453,365.91x = 274,500,579,639.46
  5. Step 5: Solve for x
    x = 274,500,579,639.46/453,365.91
  6. Step 6: Final answer
    x = 605,472.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.