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Finding the Fourth Proportional to 437,667.60, 603,980.70 and 236,463.60

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Solution

The fourth proportional to 437,667.60, 603,980.70 and 236,463.60 is: 326,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,667.60 : 603,980.70 = 236,463.60 : x
  2. Step 2: Convert to fraction form
    437,667.60/603,980.70 = 236,463.60/x
  3. Step 3: Cross multiply
    437,667.60x = 603,980.70 × 236,463.60
  4. Step 4: Simplify right side
    437,667.60x = 142,819,450,652.52
  5. Step 5: Solve for x
    x = 142,819,450,652.52/437,667.60
  6. Step 6: Final answer
    x = 326,319.45

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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.