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Finding the Fourth Proportional to 272,302.60, 408,526.80 and 242,923.90

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Solution

The fourth proportional to 272,302.60, 408,526.80 and 242,923.90 is: 364,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,302.60 : 408,526.80 = 242,923.90 : x
  2. Step 2: Convert to fraction form
    272,302.60/408,526.80 = 242,923.90/x
  3. Step 3: Cross multiply
    272,302.60x = 408,526.80 × 242,923.90
  4. Step 4: Simplify right side
    272,302.60x = 99,240,923,510.52
  5. Step 5: Solve for x
    x = 99,240,923,510.52/272,302.60
  6. Step 6: Final answer
    x = 364,450.88

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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.