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Finding the Fourth Proportional to 373,458.68, 557,806.72 and 337,865.12

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Solution

The fourth proportional to 373,458.68, 557,806.72 and 337,865.12 is: 504,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,458.68 : 557,806.72 = 337,865.12 : x
  2. Step 2: Convert to fraction form
    373,458.68/557,806.72 = 337,865.12/x
  3. Step 3: Cross multiply
    373,458.68x = 557,806.72 × 337,865.12
  4. Step 4: Simplify right side
    373,458.68x = 188,463,434,389.61
  5. Step 5: Solve for x
    x = 188,463,434,389.61/373,458.68
  6. Step 6: Final answer
    x = 504,643.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.