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Finding the Fourth Proportional to 453,161.79, 625,379.73 and 259,606.92

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Solution

The fourth proportional to 453,161.79, 625,379.73 and 259,606.92 is: 358,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,161.79 : 625,379.73 = 259,606.92 : x
  2. Step 2: Convert to fraction form
    453,161.79/625,379.73 = 259,606.92/x
  3. Step 3: Cross multiply
    453,161.79x = 625,379.73 × 259,606.92
  4. Step 4: Simplify right side
    453,161.79x = 162,352,905,535.73
  5. Step 5: Solve for x
    x = 162,352,905,535.73/453,161.79
  6. Step 6: Final answer
    x = 358,266.98

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1.5x scale

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.