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Finding the Fourth Proportional to 702,697.41, 969,364.53 and 426,980.97

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Solution

The fourth proportional to 702,697.41, 969,364.53 and 426,980.97 is: 589,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,697.41 : 969,364.53 = 426,980.97 : x
  2. Step 2: Convert to fraction form
    702,697.41/969,364.53 = 426,980.97/x
  3. Step 3: Cross multiply
    702,697.41x = 969,364.53 × 426,980.97
  4. Step 4: Simplify right side
    702,697.41x = 413,900,207,302.99
  5. Step 5: Solve for x
    x = 413,900,207,302.99/702,697.41
  6. Step 6: Final answer
    x = 589,016.27

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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.