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Finding the Fourth Proportional to 473,181.60, 653,000.49 and 258,330.72

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Solution

The fourth proportional to 473,181.60, 653,000.49 and 258,330.72 is: 356,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,181.60 : 653,000.49 = 258,330.72 : x
  2. Step 2: Convert to fraction form
    473,181.60/653,000.49 = 258,330.72/x
  3. Step 3: Cross multiply
    473,181.60x = 653,000.49 × 258,330.72
  4. Step 4: Simplify right side
    473,181.60x = 168,690,086,742.05
  5. Step 5: Solve for x
    x = 168,690,086,742.05/473,181.60
  6. Step 6: Final answer
    x = 356,501.79

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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.