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Finding the Fourth Proportional to 289,002.40, 433,503.60 and 184,285.60

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Solution

The fourth proportional to 289,002.40, 433,503.60 and 184,285.60 is: 276,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,002.40 : 433,503.60 = 184,285.60 : x
  2. Step 2: Convert to fraction form
    289,002.40/433,503.60 = 184,285.60/x
  3. Step 3: Cross multiply
    289,002.40x = 433,503.60 × 184,285.60
  4. Step 4: Simplify right side
    289,002.40x = 79,888,471,028.16
  5. Step 5: Solve for x
    x = 79,888,471,028.16/289,002.40
  6. Step 6: Final answer
    x = 276,428.40

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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.