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Finding the Fourth Proportional to 357,493.34, 538,172.69 and 325,676.88

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Solution

The fourth proportional to 357,493.34, 538,172.69 and 325,676.88 is: 490,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,493.34 : 538,172.69 = 325,676.88 : x
  2. Step 2: Convert to fraction form
    357,493.34/538,172.69 = 325,676.88/x
  3. Step 3: Cross multiply
    357,493.34x = 538,172.69 × 325,676.88
  4. Step 4: Simplify right side
    357,493.34x = 175,270,403,394.60
  5. Step 5: Solve for x
    x = 175,270,403,394.60/357,493.34
  6. Step 6: Final answer
    x = 490,275.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.