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Finding the Fourth Proportional to 476,573.81, 715,024.76 and 298,872.77

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Solution

The fourth proportional to 476,573.81, 715,024.76 and 298,872.77 is: 448,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,573.81 : 715,024.76 = 298,872.77 : x
  2. Step 2: Convert to fraction form
    476,573.81/715,024.76 = 298,872.77/x
  3. Step 3: Cross multiply
    476,573.81x = 715,024.76 × 298,872.77
  4. Step 4: Simplify right side
    476,573.81x = 213,701,425,570.30
  5. Step 5: Solve for x
    x = 213,701,425,570.30/476,573.81
  6. Step 6: Final answer
    x = 448,412.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.