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Finding the Fourth Proportional to 522,339.09, 783,486.74 and 167,345.25

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Solution

The fourth proportional to 522,339.09, 783,486.74 and 167,345.25 is: 251,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,339.09 : 783,486.74 = 167,345.25 : x
  2. Step 2: Convert to fraction form
    522,339.09/783,486.74 = 167,345.25/x
  3. Step 3: Cross multiply
    522,339.09x = 783,486.74 × 167,345.25
  4. Step 4: Simplify right side
    522,339.09x = 131,112,779,622.83
  5. Step 5: Solve for x
    x = 131,112,779,622.83/522,339.09
  6. Step 6: Final answer
    x = 251,010.85

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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.