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Finding the Fourth Proportional to 473,381.12, 653,262.50 and 258,521.12

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Solution

The fourth proportional to 473,381.12, 653,262.50 and 258,521.12 is: 356,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,381.12 : 653,262.50 = 258,521.12 : x
  2. Step 2: Convert to fraction form
    473,381.12/653,262.50 = 258,521.12/x
  3. Step 3: Cross multiply
    473,381.12x = 653,262.50 × 258,521.12
  4. Step 4: Simplify right side
    473,381.12x = 168,882,151,861.39
  5. Step 5: Solve for x
    x = 168,882,151,861.39/473,381.12
  6. Step 6: Final answer
    x = 356,757.26

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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.