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Finding the Fourth Proportional to 313,527.60, 470,155.32 and 113,781.60

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Solution

The fourth proportional to 313,527.60, 470,155.32 and 113,781.60 is: 170,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,527.60 : 470,155.32 = 113,781.60 : x
  2. Step 2: Convert to fraction form
    313,527.60/470,155.32 = 113,781.60/x
  3. Step 3: Cross multiply
    313,527.60x = 470,155.32 × 113,781.60
  4. Step 4: Simplify right side
    313,527.60x = 53,495,024,558.11
  5. Step 5: Solve for x
    x = 53,495,024,558.11/313,527.60
  6. Step 6: Final answer
    x = 170,623.02

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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.