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Finding the Fourth Proportional to 670,767.24, 925,620.30 and 368,961.24

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Solution

The fourth proportional to 670,767.24, 925,620.30 and 368,961.24 is: 509,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,767.24 : 925,620.30 = 368,961.24 : x
  2. Step 2: Convert to fraction form
    670,767.24/925,620.30 = 368,961.24/x
  3. Step 3: Cross multiply
    670,767.24x = 925,620.30 × 368,961.24
  4. Step 4: Simplify right side
    670,767.24x = 341,518,013,657.17
  5. Step 5: Solve for x
    x = 341,518,013,657.17/670,767.24
  6. Step 6: Final answer
    x = 509,145.34

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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.