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Finding the Fourth Proportional to 547,618.40, 756,231.02 and 517,798.65

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Solution

The fourth proportional to 547,618.40, 756,231.02 and 517,798.65 is: 715,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,618.40 : 756,231.02 = 517,798.65 : x
  2. Step 2: Convert to fraction form
    547,618.40/756,231.02 = 517,798.65/x
  3. Step 3: Cross multiply
    547,618.40x = 756,231.02 × 517,798.65
  4. Step 4: Simplify right side
    547,618.40x = 391,575,401,244.12
  5. Step 5: Solve for x
    x = 391,575,401,244.12/547,618.40
  6. Step 6: Final answer
    x = 715,051.58

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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.