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Finding the Fourth Proportional to 670,680, 925,069.68 and 441,164.88

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Solution

The fourth proportional to 670,680, 925,069.68 and 441,164.88 is: 608,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,680 : 925,069.68 = 441,164.88 : x
  2. Step 2: Convert to fraction form
    670,680/925,069.68 = 441,164.88/x
  3. Step 3: Cross multiply
    670,680x = 925,069.68 × 441,164.88
  4. Step 4: Simplify right side
    670,680x = 408,108,254,368.84
  5. Step 5: Solve for x
    x = 408,108,254,368.84/670,680
  6. Step 6: Final answer
    x = 608,499.22

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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.