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Finding the Fourth Proportional to 436,900.63, 602,778.31 and 255,484.03

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Solution

The fourth proportional to 436,900.63, 602,778.31 and 255,484.03 is: 352,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,900.63 : 602,778.31 = 255,484.03 : x
  2. Step 2: Convert to fraction form
    436,900.63/602,778.31 = 255,484.03/x
  3. Step 3: Cross multiply
    436,900.63x = 602,778.31 × 255,484.03
  4. Step 4: Simplify right side
    436,900.63x = 154,000,230,557.97
  5. Step 5: Solve for x
    x = 154,000,230,557.97/436,900.63
  6. Step 6: Final answer
    x = 352,483.43

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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.