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Finding the Fourth Proportional to 531,175.60, 732,842.22 and 324,368.56

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Solution

The fourth proportional to 531,175.60, 732,842.22 and 324,368.56 is: 447,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,175.60 : 732,842.22 = 324,368.56 : x
  2. Step 2: Convert to fraction form
    531,175.60/732,842.22 = 324,368.56/x
  3. Step 3: Cross multiply
    531,175.60x = 732,842.22 × 324,368.56
  4. Step 4: Simplify right side
    531,175.60x = 237,710,975,608.60
  5. Step 5: Solve for x
    x = 237,710,975,608.60/531,175.60
  6. Step 6: Final answer
    x = 447,518.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.