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Finding the Fourth Proportional to 524,325.16, 786,505.16 and 145,249.71

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Solution

The fourth proportional to 524,325.16, 786,505.16 and 145,249.71 is: 217,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,325.16 : 786,505.16 = 145,249.71 : x
  2. Step 2: Convert to fraction form
    524,325.16/786,505.16 = 145,249.71/x
  3. Step 3: Cross multiply
    524,325.16x = 786,505.16 × 145,249.71
  4. Step 4: Simplify right side
    524,325.16x = 114,239,646,403.50
  5. Step 5: Solve for x
    x = 114,239,646,403.50/524,325.16
  6. Step 6: Final answer
    x = 217,879.39

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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.