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Finding the Fourth Proportional to 436,450.33, 602,211.16 and 255,127.17

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Solution

The fourth proportional to 436,450.33, 602,211.16 and 255,127.17 is: 352,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,450.33 : 602,211.16 = 255,127.17 : x
  2. Step 2: Convert to fraction form
    436,450.33/602,211.16 = 255,127.17/x
  3. Step 3: Cross multiply
    436,450.33x = 602,211.16 × 255,127.17
  4. Step 4: Simplify right side
    436,450.33x = 153,640,426,747.89
  5. Step 5: Solve for x
    x = 153,640,426,747.89/436,450.33
  6. Step 6: Final answer
    x = 352,022.71

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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.