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Finding the Fourth Proportional to 268,443.99, 370,452.94 and 147,587.33

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Solution

The fourth proportional to 268,443.99, 370,452.94 and 147,587.33 is: 203,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,443.99 : 370,452.94 = 147,587.33 : x
  2. Step 2: Convert to fraction form
    268,443.99/370,452.94 = 147,587.33/x
  3. Step 3: Cross multiply
    268,443.99x = 370,452.94 × 147,587.33
  4. Step 4: Simplify right side
    268,443.99x = 54,674,161,692.59
  5. Step 5: Solve for x
    x = 54,674,161,692.59/268,443.99
  6. Step 6: Final answer
    x = 203,670.65

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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.