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Finding the Fourth Proportional to 448,583.01, 672,320.43 and 384,955.89

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Solution

The fourth proportional to 448,583.01, 672,320.43 and 384,955.89 is: 576,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,583.01 : 672,320.43 = 384,955.89 : x
  2. Step 2: Convert to fraction form
    448,583.01/672,320.43 = 384,955.89/x
  3. Step 3: Cross multiply
    448,583.01x = 672,320.43 × 384,955.89
  4. Step 4: Simplify right side
    448,583.01x = 258,813,709,495.83
  5. Step 5: Solve for x
    x = 258,813,709,495.83/448,583.01
  6. Step 6: Final answer
    x = 576,958.34

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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.