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Finding the Fourth Proportional to 350,670.80, 525,994.68 and 140,252.24

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Solution

The fourth proportional to 350,670.80, 525,994.68 and 140,252.24 is: 210,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,670.80 : 525,994.68 = 140,252.24 : x
  2. Step 2: Convert to fraction form
    350,670.80/525,994.68 = 140,252.24/x
  3. Step 3: Cross multiply
    350,670.80x = 525,994.68 × 140,252.24
  4. Step 4: Simplify right side
    350,670.80x = 73,771,932,098.08
  5. Step 5: Solve for x
    x = 73,771,932,098.08/350,670.80
  6. Step 6: Final answer
    x = 210,373.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.