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Finding the Fourth Proportional to 447,503.04, 671,094.72 and 147,928.32

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Solution

The fourth proportional to 447,503.04, 671,094.72 and 147,928.32 is: 221,839.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,503.04 : 671,094.72 = 147,928.32 : x
  2. Step 2: Convert to fraction form
    447,503.04/671,094.72 = 147,928.32/x
  3. Step 3: Cross multiply
    447,503.04x = 671,094.72 × 147,928.32
  4. Step 4: Simplify right side
    447,503.04x = 99,273,914,490.47
  5. Step 5: Solve for x
    x = 99,273,914,490.47/447,503.04
  6. Step 6: Final answer
    x = 221,839.64

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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.