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Finding the Fourth Proportional to 614,658.89, 848,226.12 and 356,588.03

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Solution

The fourth proportional to 614,658.89, 848,226.12 and 356,588.03 is: 492,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,658.89 : 848,226.12 = 356,588.03 : x
  2. Step 2: Convert to fraction form
    614,658.89/848,226.12 = 356,588.03/x
  3. Step 3: Cross multiply
    614,658.89x = 848,226.12 × 356,588.03
  4. Step 4: Simplify right side
    614,658.89x = 302,467,281,125.34
  5. Step 5: Solve for x
    x = 302,467,281,125.34/614,658.89
  6. Step 6: Final answer
    x = 492,089.66

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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.