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Finding the Fourth Proportional to 593,742.40, 890,613.60 and 328,321.60

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Solution

The fourth proportional to 593,742.40, 890,613.60 and 328,321.60 is: 492,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,742.40 : 890,613.60 = 328,321.60 : x
  2. Step 2: Convert to fraction form
    593,742.40/890,613.60 = 328,321.60/x
  3. Step 3: Cross multiply
    593,742.40x = 890,613.60 × 328,321.60
  4. Step 4: Simplify right side
    593,742.40x = 292,407,682,133.76
  5. Step 5: Solve for x
    x = 292,407,682,133.76/593,742.40
  6. Step 6: Final answer
    x = 492,482.40

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