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Finding the Fourth Proportional to 374,650.16, 517,064.45 and 245,697.08

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Solution

The fourth proportional to 374,650.16, 517,064.45 and 245,697.08 is: 339,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,650.16 : 517,064.45 = 245,697.08 : x
  2. Step 2: Convert to fraction form
    374,650.16/517,064.45 = 245,697.08/x
  3. Step 3: Cross multiply
    374,650.16x = 517,064.45 × 245,697.08
  4. Step 4: Simplify right side
    374,650.16x = 127,041,221,723.00
  5. Step 5: Solve for x
    x = 127,041,221,723.00/374,650.16
  6. Step 6: Final answer
    x = 339,092.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.