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Finding the Fourth Proportional to 524,543.03, 786,814.48 and 347,008.49

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Solution

The fourth proportional to 524,543.03, 786,814.48 and 347,008.49 is: 520,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,543.03 : 786,814.48 = 347,008.49 : x
  2. Step 2: Convert to fraction form
    524,543.03/786,814.48 = 347,008.49/x
  3. Step 3: Cross multiply
    524,543.03x = 786,814.48 × 347,008.49
  4. Step 4: Simplify right side
    524,543.03x = 273,031,299,813.34
  5. Step 5: Solve for x
    x = 273,031,299,813.34/524,543.03
  6. Step 6: Final answer
    x = 520,512.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.