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Finding the Fourth Proportional to 524,253, 786,179.67 and 187,230.72

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Solution

The fourth proportional to 524,253, 786,179.67 and 187,230.72 is: 280,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,253 : 786,179.67 = 187,230.72 : x
  2. Step 2: Convert to fraction form
    524,253/786,179.67 = 187,230.72/x
  3. Step 3: Cross multiply
    524,253x = 786,179.67 × 187,230.72
  4. Step 4: Simplify right side
    524,253x = 147,196,985,663.46
  5. Step 5: Solve for x
    x = 147,196,985,663.46/524,253
  6. Step 6: Final answer
    x = 280,774.71

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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.