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Finding the Fourth Proportional to 380,443.98, 570,777.06 and 170,032.68

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Solution

The fourth proportional to 380,443.98, 570,777.06 and 170,032.68 is: 255,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,443.98 : 570,777.06 = 170,032.68 : x
  2. Step 2: Convert to fraction form
    380,443.98/570,777.06 = 170,032.68/x
  3. Step 3: Cross multiply
    380,443.98x = 570,777.06 × 170,032.68
  4. Step 4: Simplify right side
    380,443.98x = 97,050,753,194.32
  5. Step 5: Solve for x
    x = 97,050,753,194.32/380,443.98
  6. Step 6: Final answer
    x = 255,098.67

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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.