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Finding the Fourth Proportional to 262,316.91, 393,869.03 and 150,123.81

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Solution

The fourth proportional to 262,316.91, 393,869.03 and 150,123.81 is: 225,411.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,316.91 : 393,869.03 = 150,123.81 : x
  2. Step 2: Convert to fraction form
    262,316.91/393,869.03 = 150,123.81/x
  3. Step 3: Cross multiply
    262,316.91x = 393,869.03 × 150,123.81
  4. Step 4: Simplify right side
    262,316.91x = 59,129,118,673.99
  5. Step 5: Solve for x
    x = 59,129,118,673.99/262,316.91
  6. Step 6: Final answer
    x = 225,411.01

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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.