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Finding the Fourth Proportional to 303,876.08, 455,503.04 and 153,838.16

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Solution

The fourth proportional to 303,876.08, 455,503.04 and 153,838.16 is: 230,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,876.08 : 455,503.04 = 153,838.16 : x
  2. Step 2: Convert to fraction form
    303,876.08/455,503.04 = 153,838.16/x
  3. Step 3: Cross multiply
    303,876.08x = 455,503.04 × 153,838.16
  4. Step 4: Simplify right side
    303,876.08x = 70,073,749,548.01
  5. Step 5: Solve for x
    x = 70,073,749,548.01/303,876.08
  6. Step 6: Final answer
    x = 230,599.75

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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.