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Finding the Fourth Proportional to 253,403.72, 349,597.67 and 162,747.11

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Solution

The fourth proportional to 253,403.72, 349,597.67 and 162,747.11 is: 224,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,403.72 : 349,597.67 = 162,747.11 : x
  2. Step 2: Convert to fraction form
    253,403.72/349,597.67 = 162,747.11/x
  3. Step 3: Cross multiply
    253,403.72x = 349,597.67 × 162,747.11
  4. Step 4: Simplify right side
    253,403.72x = 56,896,007,893.51
  5. Step 5: Solve for x
    x = 56,896,007,893.51/253,403.72
  6. Step 6: Final answer
    x = 224,527.12

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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.