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Finding the Fourth Proportional to 431,461.51, 595,400.65 and 250,181.08

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Solution

The fourth proportional to 431,461.51, 595,400.65 and 250,181.08 is: 345,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,461.51 : 595,400.65 = 250,181.08 : x
  2. Step 2: Convert to fraction form
    431,461.51/595,400.65 = 250,181.08/x
  3. Step 3: Cross multiply
    431,461.51x = 595,400.65 × 250,181.08
  4. Step 4: Simplify right side
    431,461.51x = 148,957,975,535.75
  5. Step 5: Solve for x
    x = 148,957,975,535.75/431,461.51
  6. Step 6: Final answer
    x = 345,240.47

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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.