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Finding the Fourth Proportional to 531,573.12, 733,574.34 and 316,722.24

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Solution

The fourth proportional to 531,573.12, 733,574.34 and 316,722.24 is: 437,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,573.12 : 733,574.34 = 316,722.24 : x
  2. Step 2: Convert to fraction form
    531,573.12/733,574.34 = 316,722.24/x
  3. Step 3: Cross multiply
    531,573.12x = 733,574.34 × 316,722.24
  4. Step 4: Simplify right side
    531,573.12x = 232,339,308,171.32
  5. Step 5: Solve for x
    x = 232,339,308,171.32/531,573.12
  6. Step 6: Final answer
    x = 437,078.74

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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.