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Finding the Fourth Proportional to 608,510.75, 913,214.59 and 288,663.62

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Solution

The fourth proportional to 608,510.75, 913,214.59 and 288,663.62 is: 433,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,510.75 : 913,214.59 = 288,663.62 : x
  2. Step 2: Convert to fraction form
    608,510.75/913,214.59 = 288,663.62/x
  3. Step 3: Cross multiply
    608,510.75x = 913,214.59 × 288,663.62
  4. Step 4: Simplify right side
    608,510.75x = 263,611,824,098.48
  5. Step 5: Solve for x
    x = 263,611,824,098.48/608,510.75
  6. Step 6: Final answer
    x = 433,208.17

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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.