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Finding the Fourth Proportional to 531,486.26, 797,065.88 and 152,305.34

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Solution

The fourth proportional to 531,486.26, 797,065.88 and 152,305.34 is: 228,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,486.26 : 797,065.88 = 152,305.34 : x
  2. Step 2: Convert to fraction form
    531,486.26/797,065.88 = 152,305.34/x
  3. Step 3: Cross multiply
    531,486.26x = 797,065.88 × 152,305.34
  4. Step 4: Simplify right side
    531,486.26x = 121,397,389,855.80
  5. Step 5: Solve for x
    x = 121,397,389,855.80/531,486.26
  6. Step 6: Final answer
    x = 228,411.15

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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.