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Finding the Fourth Proportional to 618,303.36, 857,623.96 and 601,915.44

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Solution

The fourth proportional to 618,303.36, 857,623.96 and 601,915.44 is: 834,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,303.36 : 857,623.96 = 601,915.44 : x
  2. Step 2: Convert to fraction form
    618,303.36/857,623.96 = 601,915.44/x
  3. Step 3: Cross multiply
    618,303.36x = 857,623.96 × 601,915.44
  4. Step 4: Simplify right side
    618,303.36x = 516,217,103,237.94
  5. Step 5: Solve for x
    x = 516,217,103,237.94/618,303.36
  6. Step 6: Final answer
    x = 834,892.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.