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Finding the Fourth Proportional to 524,293.89, 786,313.02 and 145,204.77

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Solution

The fourth proportional to 524,293.89, 786,313.02 and 145,204.77 is: 217,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,293.89 : 786,313.02 = 145,204.77 : x
  2. Step 2: Convert to fraction form
    524,293.89/786,313.02 = 145,204.77/x
  3. Step 3: Cross multiply
    524,293.89x = 786,313.02 × 145,204.77
  4. Step 4: Simplify right side
    524,293.89x = 114,176,401,217.11
  5. Step 5: Solve for x
    x = 114,176,401,217.11/524,293.89
  6. Step 6: Final answer
    x = 217,771.76

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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.