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Finding the Fourth Proportional to 343,295.05, 473,775.09 and 190,348.42

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Solution

The fourth proportional to 343,295.05, 473,775.09 and 190,348.42 is: 262,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,295.05 : 473,775.09 = 190,348.42 : x
  2. Step 2: Convert to fraction form
    343,295.05/473,775.09 = 190,348.42/x
  3. Step 3: Cross multiply
    343,295.05x = 473,775.09 × 190,348.42
  4. Step 4: Simplify right side
    343,295.05x = 90,182,337,918.61
  5. Step 5: Solve for x
    x = 90,182,337,918.61/343,295.05
  6. Step 6: Final answer
    x = 262,696.30

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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.