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Finding the Fourth Proportional to 944,196.78, 1,416,713.78 and 494,810.80

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Solution

The fourth proportional to 944,196.78, 1,416,713.78 and 494,810.80 is: 742,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,196.78 : 1,416,713.78 = 494,810.80 : x
  2. Step 2: Convert to fraction form
    944,196.78/1,416,713.78 = 494,810.80/x
  3. Step 3: Cross multiply
    944,196.78x = 1,416,713.78 × 494,810.80
  4. Step 4: Simplify right side
    944,196.78x = 701,005,278,852.82
  5. Step 5: Solve for x
    x = 701,005,278,852.82/944,196.78
  6. Step 6: Final answer
    x = 742,435.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.