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Finding the Fourth Proportional to 531,096.84, 732,904.38 and 289,381.41

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Solution

The fourth proportional to 531,096.84, 732,904.38 and 289,381.41 is: 399,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,096.84 : 732,904.38 = 289,381.41 : x
  2. Step 2: Convert to fraction form
    531,096.84/732,904.38 = 289,381.41/x
  3. Step 3: Cross multiply
    531,096.84x = 732,904.38 × 289,381.41
  4. Step 4: Simplify right side
    531,096.84x = 212,088,902,879.58
  5. Step 5: Solve for x
    x = 212,088,902,879.58/531,096.84
  6. Step 6: Final answer
    x = 399,341.30

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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.