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Finding the Fourth Proportional to 431,417.92, 595,358.72 and 250,237.12

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Solution

The fourth proportional to 431,417.92, 595,358.72 and 250,237.12 is: 345,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,417.92 : 595,358.72 = 250,237.12 : x
  2. Step 2: Convert to fraction form
    431,417.92/595,358.72 = 250,237.12/x
  3. Step 3: Cross multiply
    431,417.92x = 595,358.72 × 250,237.12
  4. Step 4: Simplify right side
    431,417.92x = 148,980,850,596.88
  5. Step 5: Solve for x
    x = 148,980,850,596.88/431,417.92
  6. Step 6: Final answer
    x = 345,328.38

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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.