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Finding the Fourth Proportional to 601,843.96, 830,570.12 and 343,763.36

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Solution

The fourth proportional to 601,843.96, 830,570.12 and 343,763.36 is: 474,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,843.96 : 830,570.12 = 343,763.36 : x
  2. Step 2: Convert to fraction form
    601,843.96/830,570.12 = 343,763.36/x
  3. Step 3: Cross multiply
    601,843.96x = 830,570.12 × 343,763.36
  4. Step 4: Simplify right side
    601,843.96x = 285,519,575,166.80
  5. Step 5: Solve for x
    x = 285,519,575,166.80/601,843.96
  6. Step 6: Final answer
    x = 474,407.98

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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.