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Finding the Fourth Proportional to 240,296.49, 360,444.74 and 90,570.42

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Solution

The fourth proportional to 240,296.49, 360,444.74 and 90,570.42 is: 135,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,296.49 : 360,444.74 = 90,570.42 : x
  2. Step 2: Convert to fraction form
    240,296.49/360,444.74 = 90,570.42/x
  3. Step 3: Cross multiply
    240,296.49x = 360,444.74 × 90,570.42
  4. Step 4: Simplify right side
    240,296.49x = 32,645,631,035.74
  5. Step 5: Solve for x
    x = 32,645,631,035.74/240,296.49
  6. Step 6: Final answer
    x = 135,855.63

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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.