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Finding the Fourth Proportional to 524,931.53, 724,524.02 and 321,152.34

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Solution

The fourth proportional to 524,931.53, 724,524.02 and 321,152.34 is: 443,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,931.53 : 724,524.02 = 321,152.34 : x
  2. Step 2: Convert to fraction form
    524,931.53/724,524.02 = 321,152.34/x
  3. Step 3: Cross multiply
    524,931.53x = 724,524.02 × 321,152.34
  4. Step 4: Simplify right side
    524,931.53x = 232,682,584,409.21
  5. Step 5: Solve for x
    x = 232,682,584,409.21/524,931.53
  6. Step 6: Final answer
    x = 443,262.73

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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.