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Finding the Fourth Proportional to 522,338.85, 783,486.36 and 167,345.01

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Solution

The fourth proportional to 522,338.85, 783,486.36 and 167,345.01 is: 251,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,338.85 : 783,486.36 = 167,345.01 : x
  2. Step 2: Convert to fraction form
    522,338.85/783,486.36 = 167,345.01/x
  3. Step 3: Cross multiply
    522,338.85x = 783,486.36 × 167,345.01
  4. Step 4: Simplify right side
    522,338.85x = 131,112,532,749.06
  5. Step 5: Solve for x
    x = 131,112,532,749.06/522,338.85
  6. Step 6: Final answer
    x = 251,010.49

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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.