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Finding the Fourth Proportional to 303,904.63, 455,876.37 and 116,916.13

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Solution

The fourth proportional to 303,904.63, 455,876.37 and 116,916.13 is: 175,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,904.63 : 455,876.37 = 116,916.13 : x
  2. Step 2: Convert to fraction form
    303,904.63/455,876.37 = 116,916.13/x
  3. Step 3: Cross multiply
    303,904.63x = 455,876.37 × 116,916.13
  4. Step 4: Simplify right side
    303,904.63x = 53,299,300,938.85
  5. Step 5: Solve for x
    x = 53,299,300,938.85/303,904.63
  6. Step 6: Final answer
    x = 175,381.67

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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.