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Finding the Fourth Proportional to 616,258.80, 923,524.20 and 490,114.80

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Solution

The fourth proportional to 616,258.80, 923,524.20 and 490,114.80 is: 734,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,258.80 : 923,524.20 = 490,114.80 : x
  2. Step 2: Convert to fraction form
    616,258.80/923,524.20 = 490,114.80/x
  3. Step 3: Cross multiply
    616,258.80x = 923,524.20 × 490,114.80
  4. Step 4: Simplify right side
    616,258.80x = 452,632,878,578.16
  5. Step 5: Solve for x
    x = 452,632,878,578.16/616,258.80
  6. Step 6: Final answer
    x = 734,485.05

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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.