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Finding the Fourth Proportional to 289,266.54, 399,227.58 and 174,551.10

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Solution

The fourth proportional to 289,266.54, 399,227.58 and 174,551.10 is: 240,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,266.54 : 399,227.58 = 174,551.10 : x
  2. Step 2: Convert to fraction form
    289,266.54/399,227.58 = 174,551.10/x
  3. Step 3: Cross multiply
    289,266.54x = 399,227.58 × 174,551.10
  4. Step 4: Simplify right side
    289,266.54x = 69,685,613,239.34
  5. Step 5: Solve for x
    x = 69,685,613,239.34/289,266.54
  6. Step 6: Final answer
    x = 240,904.51

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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.