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Finding the Fourth Proportional to 531,819, 797,281.08 and 247,365.06

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Solution

The fourth proportional to 531,819, 797,281.08 and 247,365.06 is: 370,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,819 : 797,281.08 = 247,365.06 : x
  2. Step 2: Convert to fraction form
    531,819/797,281.08 = 247,365.06/x
  3. Step 3: Cross multiply
    531,819x = 797,281.08 × 247,365.06
  4. Step 4: Simplify right side
    531,819x = 197,219,482,191.07
  5. Step 5: Solve for x
    x = 197,219,482,191.07/531,819
  6. Step 6: Final answer
    x = 370,839.48

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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.