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Finding the Fourth Proportional to 364,982.80, 547,013.40 and 323,510.80

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Solution

The fourth proportional to 364,982.80, 547,013.40 and 323,510.80 is: 484,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,982.80 : 547,013.40 = 323,510.80 : x
  2. Step 2: Convert to fraction form
    364,982.80/547,013.40 = 323,510.80/x
  3. Step 3: Cross multiply
    364,982.80x = 547,013.40 × 323,510.80
  4. Step 4: Simplify right side
    364,982.80x = 176,964,742,644.72
  5. Step 5: Solve for x
    x = 176,964,742,644.72/364,982.80
  6. Step 6: Final answer
    x = 484,857.76

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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.