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Finding the Fourth Proportional to 586,394.68, 879,514.26 and 165,703.36

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Solution

The fourth proportional to 586,394.68, 879,514.26 and 165,703.36 is: 248,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,394.68 : 879,514.26 = 165,703.36 : x
  2. Step 2: Convert to fraction form
    586,394.68/879,514.26 = 165,703.36/x
  3. Step 3: Cross multiply
    586,394.68x = 879,514.26 × 165,703.36
  4. Step 4: Simplify right side
    586,394.68x = 145,738,468,049.91
  5. Step 5: Solve for x
    x = 145,738,468,049.91/586,394.68
  6. Step 6: Final answer
    x = 248,533.07

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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.