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Finding the Fourth Proportional to 448,904.78, 673,357.94 and 359,516.02

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Solution

The fourth proportional to 448,904.78, 673,357.94 and 359,516.02 is: 539,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,904.78 : 673,357.94 = 359,516.02 : x
  2. Step 2: Convert to fraction form
    448,904.78/673,357.94 = 359,516.02/x
  3. Step 3: Cross multiply
    448,904.78x = 673,357.94 × 359,516.02
  4. Step 4: Simplify right side
    448,904.78x = 242,082,961,459.83
  5. Step 5: Solve for x
    x = 242,082,961,459.83/448,904.78
  6. Step 6: Final answer
    x = 539,274.64

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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.