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Finding the Fourth Proportional to 347,233.70, 520,072.95 and 207,265.70

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Solution

The fourth proportional to 347,233.70, 520,072.95 and 207,265.70 is: 310,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,233.70 : 520,072.95 = 207,265.70 : x
  2. Step 2: Convert to fraction form
    347,233.70/520,072.95 = 207,265.70/x
  3. Step 3: Cross multiply
    347,233.70x = 520,072.95 × 207,265.70
  4. Step 4: Simplify right side
    347,233.70x = 107,793,284,032.82
  5. Step 5: Solve for x
    x = 107,793,284,032.82/347,233.70
  6. Step 6: Final answer
    x = 310,434.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.