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Finding the Fourth Proportional to 356,430.58, 534,652.70 and 116,545.38

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Solution

The fourth proportional to 356,430.58, 534,652.70 and 116,545.38 is: 174,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,430.58 : 534,652.70 = 116,545.38 : x
  2. Step 2: Convert to fraction form
    356,430.58/534,652.70 = 116,545.38/x
  3. Step 3: Cross multiply
    356,430.58x = 534,652.70 × 116,545.38
  4. Step 4: Simplify right side
    356,430.58x = 62,311,299,501.85
  5. Step 5: Solve for x
    x = 62,311,299,501.85/356,430.58
  6. Step 6: Final answer
    x = 174,820.30

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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.