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Finding the Fourth Proportional to 536,674.11, 740,594.56 and 307,223.79

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Solution

The fourth proportional to 536,674.11, 740,594.56 and 307,223.79 is: 423,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,674.11 : 740,594.56 = 307,223.79 : x
  2. Step 2: Convert to fraction form
    536,674.11/740,594.56 = 307,223.79/x
  3. Step 3: Cross multiply
    536,674.11x = 740,594.56 × 307,223.79
  4. Step 4: Simplify right side
    536,674.11x = 227,528,267,576.58
  5. Step 5: Solve for x
    x = 227,528,267,576.58/536,674.11
  6. Step 6: Final answer
    x = 423,959.84

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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.