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Finding the Fourth Proportional to 448,950.07, 619,657.14 and 258,074.20

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Solution

The fourth proportional to 448,950.07, 619,657.14 and 258,074.20 is: 356,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,950.07 : 619,657.14 = 258,074.20 : x
  2. Step 2: Convert to fraction form
    448,950.07/619,657.14 = 258,074.20/x
  3. Step 3: Cross multiply
    448,950.07x = 619,657.14 × 258,074.20
  4. Step 4: Simplify right side
    448,950.07x = 159,917,520,679.79
  5. Step 5: Solve for x
    x = 159,917,520,679.79/448,950.07
  6. Step 6: Final answer
    x = 356,203.35

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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.