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Finding the Fourth Proportional to 586,243.86, 879,429.51 and 186,790.74

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Solution

The fourth proportional to 586,243.86, 879,429.51 and 186,790.74 is: 280,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,243.86 : 879,429.51 = 186,790.74 : x
  2. Step 2: Convert to fraction form
    586,243.86/879,429.51 = 186,790.74/x
  3. Step 3: Cross multiply
    586,243.86x = 879,429.51 × 186,790.74
  4. Step 4: Simplify right side
    586,243.86x = 164,269,288,950.74
  5. Step 5: Solve for x
    x = 164,269,288,950.74/586,243.86
  6. Step 6: Final answer
    x = 280,206.41

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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.