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Finding the Fourth Proportional to 296,909.50, 445,603.20 and 168,904.39

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Solution

The fourth proportional to 296,909.50, 445,603.20 and 168,904.39 is: 253,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,909.50 : 445,603.20 = 168,904.39 : x
  2. Step 2: Convert to fraction form
    296,909.50/445,603.20 = 168,904.39/x
  3. Step 3: Cross multiply
    296,909.50x = 445,603.20 × 168,904.39
  4. Step 4: Simplify right side
    296,909.50x = 75,264,336,678.05
  5. Step 5: Solve for x
    x = 75,264,336,678.05/296,909.50
  6. Step 6: Final answer
    x = 253,492.52

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1.5x scale

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.