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Finding the Fourth Proportional to 612,593.46, 845,255.10 and 357,895.44

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Solution

The fourth proportional to 612,593.46, 845,255.10 and 357,895.44 is: 493,823.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,593.46 : 845,255.10 = 357,895.44 : x
  2. Step 2: Convert to fraction form
    612,593.46/845,255.10 = 357,895.44/x
  3. Step 3: Cross multiply
    612,593.46x = 845,255.10 × 357,895.44
  4. Step 4: Simplify right side
    612,593.46x = 302,512,945,926.74
  5. Step 5: Solve for x
    x = 302,512,945,926.74/612,593.46
  6. Step 6: Final answer
    x = 493,823.34

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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.