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Finding the Fourth Proportional to 531,346.77, 733,236.48 and 289,624.02

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Solution

The fourth proportional to 531,346.77, 733,236.48 and 289,624.02 is: 399,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,346.77 : 733,236.48 = 289,624.02 : x
  2. Step 2: Convert to fraction form
    531,346.77/733,236.48 = 289,624.02/x
  3. Step 3: Cross multiply
    531,346.77x = 733,236.48 × 289,624.02
  4. Step 4: Simplify right side
    531,346.77x = 212,362,896,948.25
  5. Step 5: Solve for x
    x = 212,362,896,948.25/531,346.77
  6. Step 6: Final answer
    x = 399,669.12

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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.