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Finding the Fourth Proportional to 612,598.44, 845,261.97 and 357,900.42

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Solution

The fourth proportional to 612,598.44, 845,261.97 and 357,900.42 is: 493,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,598.44 : 845,261.97 = 357,900.42 : x
  2. Step 2: Convert to fraction form
    612,598.44/845,261.97 = 357,900.42/x
  3. Step 3: Cross multiply
    612,598.44x = 845,261.97 × 357,900.42
  4. Step 4: Simplify right side
    612,598.44x = 302,519,614,073.03
  5. Step 5: Solve for x
    x = 302,519,614,073.03/612,598.44
  6. Step 6: Final answer
    x = 493,830.21

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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.