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Finding the Fourth Proportional to 503,389.59, 754,707.23 and 303,663.41

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Solution

The fourth proportional to 503,389.59, 754,707.23 and 303,663.41 is: 455,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,389.59 : 754,707.23 = 303,663.41 : x
  2. Step 2: Convert to fraction form
    503,389.59/754,707.23 = 303,663.41/x
  3. Step 3: Cross multiply
    503,389.59x = 754,707.23 × 303,663.41
  4. Step 4: Simplify right side
    503,389.59x = 229,176,971,013.45
  5. Step 5: Solve for x
    x = 229,176,971,013.45/503,389.59
  6. Step 6: Final answer
    x = 455,267.61

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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.