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Finding the Fourth Proportional to 303,429.24, 455,275.08 and 116,397

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Solution

The fourth proportional to 303,429.24, 455,275.08 and 116,397 is: 174,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,429.24 : 455,275.08 = 116,397 : x
  2. Step 2: Convert to fraction form
    303,429.24/455,275.08 = 116,397/x
  3. Step 3: Cross multiply
    303,429.24x = 455,275.08 × 116,397
  4. Step 4: Simplify right side
    303,429.24x = 52,992,653,486.76
  5. Step 5: Solve for x
    x = 52,992,653,486.76/303,429.24
  6. Step 6: Final answer
    x = 174,645.84

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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.