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Finding the Fourth Proportional to 452,834, 679,354.68 and 157,346

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Solution

The fourth proportional to 452,834, 679,354.68 and 157,346 is: 236,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,834 : 679,354.68 = 157,346 : x
  2. Step 2: Convert to fraction form
    452,834/679,354.68 = 157,346/x
  3. Step 3: Cross multiply
    452,834x = 679,354.68 × 157,346
  4. Step 4: Simplify right side
    452,834x = 106,893,741,479.28
  5. Step 5: Solve for x
    x = 106,893,741,479.28/452,834
  6. Step 6: Final answer
    x = 236,055.03

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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.