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Finding the Fourth Proportional to 531,466.05, 732,971.94 and 449,083.64

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Solution

The fourth proportional to 531,466.05, 732,971.94 and 449,083.64 is: 619,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,466.05 : 732,971.94 = 449,083.64 : x
  2. Step 2: Convert to fraction form
    531,466.05/732,971.94 = 449,083.64/x
  3. Step 3: Cross multiply
    531,466.05x = 732,971.94 × 449,083.64
  4. Step 4: Simplify right side
    531,466.05x = 329,165,706,833.06
  5. Step 5: Solve for x
    x = 329,165,706,833.06/531,466.05
  6. Step 6: Final answer
    x = 619,354.16

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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.