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Finding the Fourth Proportional to 560,631.48, 841,058 and 205,648.80

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Solution

The fourth proportional to 560,631.48, 841,058 and 205,648.80 is: 308,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,631.48 : 841,058 = 205,648.80 : x
  2. Step 2: Convert to fraction form
    560,631.48/841,058 = 205,648.80/x
  3. Step 3: Cross multiply
    560,631.48x = 841,058 × 205,648.80
  4. Step 4: Simplify right side
    560,631.48x = 172,962,568,430.40
  5. Step 5: Solve for x
    x = 172,962,568,430.40/560,631.48
  6. Step 6: Final answer
    x = 308,513.84

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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.