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Finding the Fourth Proportional to 303,426, 455,160.87 and 116,437.50

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Solution

The fourth proportional to 303,426, 455,160.87 and 116,437.50 is: 174,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,426 : 455,160.87 = 116,437.50 : x
  2. Step 2: Convert to fraction form
    303,426/455,160.87 = 116,437.50/x
  3. Step 3: Cross multiply
    303,426x = 455,160.87 × 116,437.50
  4. Step 4: Simplify right side
    303,426x = 52,997,793,800.63
  5. Step 5: Solve for x
    x = 52,997,793,800.63/303,426
  6. Step 6: Final answer
    x = 174,664.64

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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.