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Finding the Fourth Proportional to 343,143.89, 473,567.33 and 190,219.49

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Solution

The fourth proportional to 343,143.89, 473,567.33 and 190,219.49 is: 262,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,143.89 : 473,567.33 = 190,219.49 : x
  2. Step 2: Convert to fraction form
    343,143.89/473,567.33 = 190,219.49/x
  3. Step 3: Cross multiply
    343,143.89x = 473,567.33 × 190,219.49
  4. Step 4: Simplify right side
    343,143.89x = 90,081,735,042.16
  5. Step 5: Solve for x
    x = 90,081,735,042.16/343,143.89
  6. Step 6: Final answer
    x = 262,518.84

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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.