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Finding the Fourth Proportional to 255,398.61, 352,450.08 and 148,030.92

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Solution

The fourth proportional to 255,398.61, 352,450.08 and 148,030.92 is: 204,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,398.61 : 352,450.08 = 148,030.92 : x
  2. Step 2: Convert to fraction form
    255,398.61/352,450.08 = 148,030.92/x
  3. Step 3: Cross multiply
    255,398.61x = 352,450.08 × 148,030.92
  4. Step 4: Simplify right side
    255,398.61x = 52,173,510,847.68
  5. Step 5: Solve for x
    x = 52,173,510,847.68/255,398.61
  6. Step 6: Final answer
    x = 204,282.67

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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.