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Finding the Fourth Proportional to 671,459.96, 926,586.20 and 365,529.94

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Solution

The fourth proportional to 671,459.96, 926,586.20 and 365,529.94 is: 504,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,459.96 : 926,586.20 = 365,529.94 : x
  2. Step 2: Convert to fraction form
    671,459.96/926,586.20 = 365,529.94/x
  3. Step 3: Cross multiply
    671,459.96x = 926,586.20 × 365,529.94
  4. Step 4: Simplify right side
    671,459.96x = 338,694,996,688.19
  5. Step 5: Solve for x
    x = 338,694,996,688.19/671,459.96
  6. Step 6: Final answer
    x = 504,415.77

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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.