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Finding the Fourth Proportional to 590,085.18, 885,259.40 and 169,328.25

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Solution

The fourth proportional to 590,085.18, 885,259.40 and 169,328.25 is: 254,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,085.18 : 885,259.40 = 169,328.25 : x
  2. Step 2: Convert to fraction form
    590,085.18/885,259.40 = 169,328.25/x
  3. Step 3: Cross multiply
    590,085.18x = 885,259.40 × 169,328.25
  4. Step 4: Simplify right side
    590,085.18x = 149,899,424,151.41
  5. Step 5: Solve for x
    x = 149,899,424,151.41/590,085.18
  6. Step 6: Final answer
    x = 254,030.15

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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.