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Finding the Fourth Proportional to 298,888.79, 412,461.20 and 162,923.90

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Solution

The fourth proportional to 298,888.79, 412,461.20 and 162,923.90 is: 224,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,888.79 : 412,461.20 = 162,923.90 : x
  2. Step 2: Convert to fraction form
    298,888.79/412,461.20 = 162,923.90/x
  3. Step 3: Cross multiply
    298,888.79x = 412,461.20 × 162,923.90
  4. Step 4: Simplify right side
    298,888.79x = 67,199,784,425.75
  5. Step 5: Solve for x
    x = 67,199,784,425.75/298,888.79
  6. Step 6: Final answer
    x = 224,832.07

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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.