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Finding the Fourth Proportional to 326,096.70, 489,145.05 and 302,477.10

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Solution

The fourth proportional to 326,096.70, 489,145.05 and 302,477.10 is: 453,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,096.70 : 489,145.05 = 302,477.10 : x
  2. Step 2: Convert to fraction form
    326,096.70/489,145.05 = 302,477.10/x
  3. Step 3: Cross multiply
    326,096.70x = 489,145.05 × 302,477.10
  4. Step 4: Simplify right side
    326,096.70x = 147,955,176,203.36
  5. Step 5: Solve for x
    x = 147,955,176,203.36/326,096.70
  6. Step 6: Final answer
    x = 453,715.65

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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.