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Finding the Fourth Proportional to 257,751.04, 354,888.12 and 234,131.44

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Solution

The fourth proportional to 257,751.04, 354,888.12 and 234,131.44 is: 322,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,751.04 : 354,888.12 = 234,131.44 : x
  2. Step 2: Convert to fraction form
    257,751.04/354,888.12 = 234,131.44/x
  3. Step 3: Cross multiply
    257,751.04x = 354,888.12 × 234,131.44
  4. Step 4: Simplify right side
    257,751.04x = 83,090,466,574.49
  5. Step 5: Solve for x
    x = 83,090,466,574.49/257,751.04
  6. Step 6: Final answer
    x = 322,367.14

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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.