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Finding the Fourth Proportional to 531,553.60, 733,606.21 and 302,145.40

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Solution

The fourth proportional to 531,553.60, 733,606.21 and 302,145.40 is: 416,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,553.60 : 733,606.21 = 302,145.40 : x
  2. Step 2: Convert to fraction form
    531,553.60/733,606.21 = 302,145.40/x
  3. Step 3: Cross multiply
    531,553.60x = 733,606.21 × 302,145.40
  4. Step 4: Simplify right side
    531,553.60x = 221,655,741,762.93
  5. Step 5: Solve for x
    x = 221,655,741,762.93/531,553.60
  6. Step 6: Final answer
    x = 416,996.03

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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.