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Finding the Fourth Proportional to 342,484.90, 472,626.57 and 199,328.74

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Solution

The fourth proportional to 342,484.90, 472,626.57 and 199,328.74 is: 275,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,484.90 : 472,626.57 = 199,328.74 : x
  2. Step 2: Convert to fraction form
    342,484.90/472,626.57 = 199,328.74/x
  3. Step 3: Cross multiply
    342,484.90x = 472,626.57 × 199,328.74
  4. Step 4: Simplify right side
    342,484.90x = 94,208,058,688.62
  5. Step 5: Solve for x
    x = 94,208,058,688.62/342,484.90
  6. Step 6: Final answer
    x = 275,072.15

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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.