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Finding the Fourth Proportional to 343,075.66, 473,447.22 and 190,116.41

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Solution

The fourth proportional to 343,075.66, 473,447.22 and 190,116.41 is: 262,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,075.66 : 473,447.22 = 190,116.41 : x
  2. Step 2: Convert to fraction form
    343,075.66/473,447.22 = 190,116.41/x
  3. Step 3: Cross multiply
    343,075.66x = 473,447.22 × 190,116.41
  4. Step 4: Simplify right side
    343,075.66x = 90,010,085,790.88
  5. Step 5: Solve for x
    x = 90,010,085,790.88/343,075.66
  6. Step 6: Final answer
    x = 262,362.20

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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.