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Finding the Fourth Proportional to 436,635.44, 602,556.80 and 243,038.98

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Solution

The fourth proportional to 436,635.44, 602,556.80 and 243,038.98 is: 335,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,635.44 : 602,556.80 = 243,038.98 : x
  2. Step 2: Convert to fraction form
    436,635.44/602,556.80 = 243,038.98/x
  3. Step 3: Cross multiply
    436,635.44x = 602,556.80 × 243,038.98
  4. Step 4: Simplify right side
    436,635.44x = 146,444,790,064.06
  5. Step 5: Solve for x
    x = 146,444,790,064.06/436,635.44
  6. Step 6: Final answer
    x = 335,393.73

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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.