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Finding the Fourth Proportional to 531,904.10, 798,374.55 and 265,964.90

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Solution

The fourth proportional to 531,904.10, 798,374.55 and 265,964.90 is: 399,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,904.10 : 798,374.55 = 265,964.90 : x
  2. Step 2: Convert to fraction form
    531,904.10/798,374.55 = 265,964.90/x
  3. Step 3: Cross multiply
    531,904.10x = 798,374.55 × 265,964.90
  4. Step 4: Simplify right side
    531,904.10x = 212,339,607,353.30
  5. Step 5: Solve for x
    x = 212,339,607,353.30/531,904.10
  6. Step 6: Final answer
    x = 399,206.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.