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Finding the Fourth Proportional to 406,751.52, 610,088.40 and 248,898.72

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Solution

The fourth proportional to 406,751.52, 610,088.40 and 248,898.72 is: 373,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,751.52 : 610,088.40 = 248,898.72 : x
  2. Step 2: Convert to fraction form
    406,751.52/610,088.40 = 248,898.72/x
  3. Step 3: Cross multiply
    406,751.52x = 610,088.40 × 248,898.72
  4. Step 4: Simplify right side
    406,751.52x = 151,850,221,846.85
  5. Step 5: Solve for x
    x = 151,850,221,846.85/406,751.52
  6. Step 6: Final answer
    x = 373,324.29

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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.