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Finding the Fourth Proportional to 590,855.65, 886,097.56 and 191,403.74

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Solution

The fourth proportional to 590,855.65, 886,097.56 and 191,403.74 is: 287,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,855.65 : 886,097.56 = 191,403.74 : x
  2. Step 2: Convert to fraction form
    590,855.65/886,097.56 = 191,403.74/x
  3. Step 3: Cross multiply
    590,855.65x = 886,097.56 × 191,403.74
  4. Step 4: Simplify right side
    590,855.65x = 169,602,388,725.61
  5. Step 5: Solve for x
    x = 169,602,388,725.61/590,855.65
  6. Step 6: Final answer
    x = 287,045.39

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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.