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Finding the Fourth Proportional to 448,363.64, 673,307.28 and 299,560.16

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Solution

The fourth proportional to 448,363.64, 673,307.28 and 299,560.16 is: 449,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,363.64 : 673,307.28 = 299,560.16 : x
  2. Step 2: Convert to fraction form
    448,363.64/673,307.28 = 299,560.16/x
  3. Step 3: Cross multiply
    448,363.64x = 673,307.28 × 299,560.16
  4. Step 4: Simplify right side
    448,363.64x = 201,696,036,525.97
  5. Step 5: Solve for x
    x = 201,696,036,525.97/448,363.64
  6. Step 6: Final answer
    x = 449,849.23

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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.