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Finding the Fourth Proportional to 569,885.52, 786,251.02 and 328,162.89

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Solution

The fourth proportional to 569,885.52, 786,251.02 and 328,162.89 is: 452,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,885.52 : 786,251.02 = 328,162.89 : x
  2. Step 2: Convert to fraction form
    569,885.52/786,251.02 = 328,162.89/x
  3. Step 3: Cross multiply
    569,885.52x = 786,251.02 × 328,162.89
  4. Step 4: Simplify right side
    569,885.52x = 258,018,406,988.65
  5. Step 5: Solve for x
    x = 258,018,406,988.65/569,885.52
  6. Step 6: Final answer
    x = 452,754.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.