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Finding the Fourth Proportional to 453,430.05, 625,738.73 and 259,833.93

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Solution

The fourth proportional to 453,430.05, 625,738.73 and 259,833.93 is: 358,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,430.05 : 625,738.73 = 259,833.93 : x
  2. Step 2: Convert to fraction form
    453,430.05/625,738.73 = 259,833.93/x
  3. Step 3: Cross multiply
    453,430.05x = 625,738.73 × 259,833.93
  4. Step 4: Simplify right side
    453,430.05x = 162,588,152,069.94
  5. Step 5: Solve for x
    x = 162,588,152,069.94/453,430.05
  6. Step 6: Final answer
    x = 358,573.84

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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.