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Finding the Fourth Proportional to 670,633.92, 925,492.32 and 368,835.84

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Solution

The fourth proportional to 670,633.92, 925,492.32 and 368,835.84 is: 509,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,633.92 : 925,492.32 = 368,835.84 : x
  2. Step 2: Convert to fraction form
    670,633.92/925,492.32 = 368,835.84/x
  3. Step 3: Cross multiply
    670,633.92x = 925,492.32 × 368,835.84
  4. Step 4: Simplify right side
    670,633.92x = 341,354,737,260.75
  5. Step 5: Solve for x
    x = 341,354,737,260.75/670,633.92
  6. Step 6: Final answer
    x = 509,003.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.