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Finding the Fourth Proportional to 670,529.33, 925,328.61 and 376,179.63

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Solution

The fourth proportional to 670,529.33, 925,328.61 and 376,179.63 is: 519,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,529.33 : 925,328.61 = 376,179.63 : x
  2. Step 2: Convert to fraction form
    670,529.33/925,328.61 = 376,179.63/x
  3. Step 3: Cross multiply
    670,529.33x = 925,328.61 × 376,179.63
  4. Step 4: Simplify right side
    670,529.33x = 348,089,774,138.21
  5. Step 5: Solve for x
    x = 348,089,774,138.21/670,529.33
  6. Step 6: Final answer
    x = 519,126.85

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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.