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Finding the Fourth Proportional to 447,594.15, 671,492.38 and 148,074.02

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Solution

The fourth proportional to 447,594.15, 671,492.38 and 148,074.02 is: 222,144.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,594.15 : 671,492.38 = 148,074.02 : x
  2. Step 2: Convert to fraction form
    447,594.15/671,492.38 = 148,074.02/x
  3. Step 3: Cross multiply
    447,594.15x = 671,492.38 × 148,074.02
  4. Step 4: Simplify right side
    447,594.15x = 99,430,578,951.20
  5. Step 5: Solve for x
    x = 99,430,578,951.20/447,594.15
  6. Step 6: Final answer
    x = 222,144.50

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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.