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Finding the Fourth Proportional to 447,563.04, 671,184.66 and 147,988.32

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Solution

The fourth proportional to 447,563.04, 671,184.66 and 147,988.32 is: 221,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,563.04 : 671,184.66 = 147,988.32 : x
  2. Step 2: Convert to fraction form
    447,563.04/671,184.66 = 147,988.32/x
  3. Step 3: Cross multiply
    447,563.04x = 671,184.66 × 147,988.32
  4. Step 4: Simplify right side
    447,563.04x = 99,327,490,243.17
  5. Step 5: Solve for x
    x = 99,327,490,243.17/447,563.04
  6. Step 6: Final answer
    x = 221,929.61

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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.