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Finding the Fourth Proportional to 531,474.04, 733,019.46 and 340,505.32

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Solution

The fourth proportional to 531,474.04, 733,019.46 and 340,505.32 is: 469,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,474.04 : 733,019.46 = 340,505.32 : x
  2. Step 2: Convert to fraction form
    531,474.04/733,019.46 = 340,505.32/x
  3. Step 3: Cross multiply
    531,474.04x = 733,019.46 × 340,505.32
  4. Step 4: Simplify right side
    531,474.04x = 249,597,025,793.53
  5. Step 5: Solve for x
    x = 249,597,025,793.53/531,474.04
  6. Step 6: Final answer
    x = 469,631.64

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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.