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Finding the Fourth Proportional to 590,963.40, 886,554.45 and 191,617.20

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Solution

The fourth proportional to 590,963.40, 886,554.45 and 191,617.20 is: 287,461.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,963.40 : 886,554.45 = 191,617.20 : x
  2. Step 2: Convert to fraction form
    590,963.40/886,554.45 = 191,617.20/x
  3. Step 3: Cross multiply
    590,963.40x = 886,554.45 × 191,617.20
  4. Step 4: Simplify right side
    590,963.40x = 169,879,081,356.54
  5. Step 5: Solve for x
    x = 169,879,081,356.54/590,963.40
  6. Step 6: Final answer
    x = 287,461.26

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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.