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Finding the Fourth Proportional to 447,793.03, 617,301.56 and 340,176.23

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Solution

The fourth proportional to 447,793.03, 617,301.56 and 340,176.23 is: 468,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,793.03 : 617,301.56 = 340,176.23 : x
  2. Step 2: Convert to fraction form
    447,793.03/617,301.56 = 340,176.23/x
  3. Step 3: Cross multiply
    447,793.03x = 617,301.56 × 340,176.23
  4. Step 4: Simplify right side
    447,793.03x = 209,991,312,666.53
  5. Step 5: Solve for x
    x = 209,991,312,666.53/447,793.03
  6. Step 6: Final answer
    x = 468,947.26

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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.