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Finding the Fourth Proportional to 590,328.66, 885,520.55 and 191,000.68

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Solution

The fourth proportional to 590,328.66, 885,520.55 and 191,000.68 is: 286,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,328.66 : 885,520.55 = 191,000.68 : x
  2. Step 2: Convert to fraction form
    590,328.66/885,520.55 = 191,000.68/x
  3. Step 3: Cross multiply
    590,328.66x = 885,520.55 × 191,000.68
  4. Step 4: Simplify right side
    590,328.66x = 169,135,030,448.73
  5. Step 5: Solve for x
    x = 169,135,030,448.73/590,328.66
  6. Step 6: Final answer
    x = 286,509.94

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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.