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Finding the Fourth Proportional to 317,276.64, 437,842.53 and 174,037.86

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Solution

The fourth proportional to 317,276.64, 437,842.53 and 174,037.86 is: 240,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,276.64 : 437,842.53 = 174,037.86 : x
  2. Step 2: Convert to fraction form
    317,276.64/437,842.53 = 174,037.86/x
  3. Step 3: Cross multiply
    317,276.64x = 437,842.53 × 174,037.86
  4. Step 4: Simplify right side
    317,276.64x = 76,201,176,938.19
  5. Step 5: Solve for x
    x = 76,201,176,938.19/317,276.64
  6. Step 6: Final answer
    x = 240,172.67

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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.