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Finding the Fourth Proportional to 343,147.79, 473,538.29 and 190,185.50

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Solution

The fourth proportional to 343,147.79, 473,538.29 and 190,185.50 is: 262,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,147.79 : 473,538.29 = 190,185.50 : x
  2. Step 2: Convert to fraction form
    343,147.79/473,538.29 = 190,185.50/x
  3. Step 3: Cross multiply
    343,147.79x = 473,538.29 × 190,185.50
  4. Step 4: Simplify right side
    343,147.79x = 90,060,116,685.71
  5. Step 5: Solve for x
    x = 90,060,116,685.71/343,147.79
  6. Step 6: Final answer
    x = 262,452.85

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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.