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Finding the Fourth Proportional to 524,337.12, 786,523.10 and 145,261.69

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Solution

The fourth proportional to 524,337.12, 786,523.10 and 145,261.69 is: 217,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,337.12 : 786,523.10 = 145,261.69 : x
  2. Step 2: Convert to fraction form
    524,337.12/786,523.10 = 145,261.69/x
  3. Step 3: Cross multiply
    524,337.12x = 786,523.10 × 145,261.69
  4. Step 4: Simplify right side
    524,337.12x = 114,251,672,037.42
  5. Step 5: Solve for x
    x = 114,251,672,037.42/524,337.12
  6. Step 6: Final answer
    x = 217,897.36

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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.