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Finding the Fourth Proportional to 322,666.20, 483,999 and 98,025.72

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Solution

The fourth proportional to 322,666.20, 483,999 and 98,025.72 is: 147,038.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,666.20 : 483,999 = 98,025.72 : x
  2. Step 2: Convert to fraction form
    322,666.20/483,999 = 98,025.72/x
  3. Step 3: Cross multiply
    322,666.20x = 483,999 × 98,025.72
  4. Step 4: Simplify right side
    322,666.20x = 47,444,350,454.28
  5. Step 5: Solve for x
    x = 47,444,350,454.28/322,666.20
  6. Step 6: Final answer
    x = 147,038.49

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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.