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Finding the Fourth Proportional to 508,331.67, 762,502.98 and 153,348.77

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Solution

The fourth proportional to 508,331.67, 762,502.98 and 153,348.77 is: 230,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,331.67 : 762,502.98 = 153,348.77 : x
  2. Step 2: Convert to fraction form
    508,331.67/762,502.98 = 153,348.77/x
  3. Step 3: Cross multiply
    508,331.67x = 762,502.98 × 153,348.77
  4. Step 4: Simplify right side
    508,331.67x = 116,928,890,291.82
  5. Step 5: Solve for x
    x = 116,928,890,291.82/508,331.67
  6. Step 6: Final answer
    x = 230,024.80

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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.