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Finding the Fourth Proportional to 343,400.06, 473,893.45 and 190,452.47

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Solution

The fourth proportional to 343,400.06, 473,893.45 and 190,452.47 is: 262,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,400.06 : 473,893.45 = 190,452.47 : x
  2. Step 2: Convert to fraction form
    343,400.06/473,893.45 = 190,452.47/x
  3. Step 3: Cross multiply
    343,400.06x = 473,893.45 × 190,452.47
  4. Step 4: Simplify right side
    343,400.06x = 90,254,175,223.72
  5. Step 5: Solve for x
    x = 90,254,175,223.72/343,400.06
  6. Step 6: Final answer
    x = 262,825.16

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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.