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Finding the Fourth Proportional to 608,886.44, 840,676.75 and 379,535.48

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Solution

The fourth proportional to 608,886.44, 840,676.75 and 379,535.48 is: 524,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,886.44 : 840,676.75 = 379,535.48 : x
  2. Step 2: Convert to fraction form
    608,886.44/840,676.75 = 379,535.48/x
  3. Step 3: Cross multiply
    608,886.44x = 840,676.75 × 379,535.48
  4. Step 4: Simplify right side
    608,886.44x = 319,066,648,683.87
  5. Step 5: Solve for x
    x = 319,066,648,683.87/608,886.44
  6. Step 6: Final answer
    x = 524,016.68

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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.