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Finding the Fourth Proportional to 618,882.34, 928,131.26 and 298,835.23

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Solution

The fourth proportional to 618,882.34, 928,131.26 and 298,835.23 is: 448,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,882.34 : 928,131.26 = 298,835.23 : x
  2. Step 2: Convert to fraction form
    618,882.34/928,131.26 = 298,835.23/x
  3. Step 3: Cross multiply
    618,882.34x = 928,131.26 × 298,835.23
  4. Step 4: Simplify right side
    618,882.34x = 277,358,318,114.51
  5. Step 5: Solve for x
    x = 277,358,318,114.51/618,882.34
  6. Step 6: Final answer
    x = 448,160.01

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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.