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Finding the Fourth Proportional to 253,817.34, 349,557.27 and 248,306.94

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Solution

The fourth proportional to 253,817.34, 349,557.27 and 248,306.94 is: 341,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,817.34 : 349,557.27 = 248,306.94 : x
  2. Step 2: Convert to fraction form
    253,817.34/349,557.27 = 248,306.94/x
  3. Step 3: Cross multiply
    253,817.34x = 349,557.27 × 248,306.94
  4. Step 4: Simplify right side
    253,817.34x = 86,797,496,068.45
  5. Step 5: Solve for x
    x = 86,797,496,068.45/253,817.34
  6. Step 6: Final answer
    x = 341,968.35

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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.