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Finding the Fourth Proportional to 610,537.50, 842,552.28 and 338,617.26

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Solution

The fourth proportional to 610,537.50, 842,552.28 and 338,617.26 is: 467,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,537.50 : 842,552.28 = 338,617.26 : x
  2. Step 2: Convert to fraction form
    610,537.50/842,552.28 = 338,617.26/x
  3. Step 3: Cross multiply
    610,537.50x = 842,552.28 × 338,617.26
  4. Step 4: Simplify right side
    610,537.50x = 285,302,744,460.35
  5. Step 5: Solve for x
    x = 285,302,744,460.35/610,537.50
  6. Step 6: Final answer
    x = 467,297.66

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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.