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Finding the Fourth Proportional to 585,134.94, 877,870.54 and 243,511.88

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Solution

The fourth proportional to 585,134.94, 877,870.54 and 243,511.88 is: 365,337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,134.94 : 877,870.54 = 243,511.88 : x
  2. Step 2: Convert to fraction form
    585,134.94/877,870.54 = 243,511.88/x
  3. Step 3: Cross multiply
    585,134.94x = 877,870.54 × 243,511.88
  4. Step 4: Simplify right side
    585,134.94x = 213,771,901,507.05
  5. Step 5: Solve for x
    x = 213,771,901,507.05/585,134.94
  6. Step 6: Final answer
    x = 365,337.78

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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.