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Finding the Fourth Proportional to 473,273.39, 653,143.74 and 258,433.40

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Solution

The fourth proportional to 473,273.39, 653,143.74 and 258,433.40 is: 356,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,273.39 : 653,143.74 = 258,433.40 : x
  2. Step 2: Convert to fraction form
    473,273.39/653,143.74 = 258,433.40/x
  3. Step 3: Cross multiply
    473,273.39x = 653,143.74 × 258,433.40
  4. Step 4: Simplify right side
    473,273.39x = 168,794,157,416.92
  5. Step 5: Solve for x
    x = 168,794,157,416.92/473,273.39
  6. Step 6: Final answer
    x = 356,652.54

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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.