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Finding the Fourth Proportional to 342,325.10, 472,394.74 and 187,273.86

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Solution

The fourth proportional to 342,325.10, 472,394.74 and 187,273.86 is: 258,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,325.10 : 472,394.74 = 187,273.86 : x
  2. Step 2: Convert to fraction form
    342,325.10/472,394.74 = 187,273.86/x
  3. Step 3: Cross multiply
    342,325.10x = 472,394.74 × 187,273.86
  4. Step 4: Simplify right side
    342,325.10x = 88,467,186,403.50
  5. Step 5: Solve for x
    x = 88,467,186,403.50/342,325.10
  6. Step 6: Final answer
    x = 258,430.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.