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Finding the Fourth Proportional to 590,469.10, 885,790.05 and 191,041.90

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Solution

The fourth proportional to 590,469.10, 885,790.05 and 191,041.90 is: 286,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,469.10 : 885,790.05 = 191,041.90 : x
  2. Step 2: Convert to fraction form
    590,469.10/885,790.05 = 191,041.90/x
  3. Step 3: Cross multiply
    590,469.10x = 885,790.05 × 191,041.90
  4. Step 4: Simplify right side
    590,469.10x = 169,223,014,153.10
  5. Step 5: Solve for x
    x = 169,223,014,153.10/590,469.10
  6. Step 6: Final answer
    x = 286,590.80

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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.