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Finding the Fourth Proportional to 343,379.68, 473,888.25 and 190,432.52

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Solution

The fourth proportional to 343,379.68, 473,888.25 and 190,432.52 is: 262,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,379.68 : 473,888.25 = 190,432.52 : x
  2. Step 2: Convert to fraction form
    343,379.68/473,888.25 = 190,432.52/x
  3. Step 3: Cross multiply
    343,379.68x = 473,888.25 × 190,432.52
  4. Step 4: Simplify right side
    343,379.68x = 90,243,732,517.94
  5. Step 5: Solve for x
    x = 90,243,732,517.94/343,379.68
  6. Step 6: Final answer
    x = 262,810.35

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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.