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Finding the Fourth Proportional to 590,424.80, 885,855.90 and 235,693.40

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Solution

The fourth proportional to 590,424.80, 885,855.90 and 235,693.40 is: 353,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,424.80 : 885,855.90 = 235,693.40 : x
  2. Step 2: Convert to fraction form
    590,424.80/885,855.90 = 235,693.40/x
  3. Step 3: Cross multiply
    590,424.80x = 885,855.90 × 235,693.40
  4. Step 4: Simplify right side
    590,424.80x = 208,790,388,981.06
  5. Step 5: Solve for x
    x = 208,790,388,981.06/590,424.80
  6. Step 6: Final answer
    x = 353,627.40

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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.