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Finding the Fourth Proportional to 343,047.52, 473,440.64 and 197,859.04

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Solution

The fourth proportional to 343,047.52, 473,440.64 and 197,859.04 is: 273,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,047.52 : 473,440.64 = 197,859.04 : x
  2. Step 2: Convert to fraction form
    343,047.52/473,440.64 = 197,859.04/x
  3. Step 3: Cross multiply
    343,047.52x = 473,440.64 × 197,859.04
  4. Step 4: Simplify right side
    343,047.52x = 93,674,510,527.39
  5. Step 5: Solve for x
    x = 93,674,510,527.39/343,047.52
  6. Step 6: Final answer
    x = 273,065.70

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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.