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Finding the Fourth Proportional to 303,445.26, 455,189.63 and 116,456.76

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Solution

The fourth proportional to 303,445.26, 455,189.63 and 116,456.76 is: 174,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,445.26 : 455,189.63 = 116,456.76 : x
  2. Step 2: Convert to fraction form
    303,445.26/455,189.63 = 116,456.76/x
  3. Step 3: Cross multiply
    303,445.26x = 455,189.63 × 116,456.76
  4. Step 4: Simplify right side
    303,445.26x = 53,009,908,913.12
  5. Step 5: Solve for x
    x = 53,009,908,913.12/303,445.26
  6. Step 6: Final answer
    x = 174,693.48

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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.