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Finding the Fourth Proportional to 436,840.52, 602,859.32 and 245,866.28

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Solution

The fourth proportional to 436,840.52, 602,859.32 and 245,866.28 is: 339,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,840.52 : 602,859.32 = 245,866.28 : x
  2. Step 2: Convert to fraction form
    436,840.52/602,859.32 = 245,866.28/x
  3. Step 3: Cross multiply
    436,840.52x = 602,859.32 × 245,866.28
  4. Step 4: Simplify right side
    436,840.52x = 148,222,778,371.73
  5. Step 5: Solve for x
    x = 148,222,778,371.73/436,840.52
  6. Step 6: Final answer
    x = 339,306.39

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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.