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Finding the Fourth Proportional to 405,972.30, 608,958.45 and 184,356.30

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Solution

The fourth proportional to 405,972.30, 608,958.45 and 184,356.30 is: 276,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,972.30 : 608,958.45 = 184,356.30 : x
  2. Step 2: Convert to fraction form
    405,972.30/608,958.45 = 184,356.30/x
  3. Step 3: Cross multiply
    405,972.30x = 608,958.45 × 184,356.30
  4. Step 4: Simplify right side
    405,972.30x = 112,265,326,695.74
  5. Step 5: Solve for x
    x = 112,265,326,695.74/405,972.30
  6. Step 6: Final answer
    x = 276,534.45

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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.