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Finding the Fourth Proportional to 448,087.04, 672,130.56 and 368,883.62

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Solution

The fourth proportional to 448,087.04, 672,130.56 and 368,883.62 is: 553,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,087.04 : 672,130.56 = 368,883.62 : x
  2. Step 2: Convert to fraction form
    448,087.04/672,130.56 = 368,883.62/x
  3. Step 3: Cross multiply
    448,087.04x = 672,130.56 × 368,883.62
  4. Step 4: Simplify right side
    448,087.04x = 247,937,954,085.43
  5. Step 5: Solve for x
    x = 247,937,954,085.43/448,087.04
  6. Step 6: Final answer
    x = 553,325.43

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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.