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Finding the Fourth Proportional to 578,295, 798,539.58 and 363,794.04

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Solution

The fourth proportional to 578,295, 798,539.58 and 363,794.04 is: 502,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,295 : 798,539.58 = 363,794.04 : x
  2. Step 2: Convert to fraction form
    578,295/798,539.58 = 363,794.04/x
  3. Step 3: Cross multiply
    578,295x = 798,539.58 × 363,794.04
  4. Step 4: Simplify right side
    578,295x = 290,503,939,908.10
  5. Step 5: Solve for x
    x = 290,503,939,908.10/578,295
  6. Step 6: Final answer
    x = 502,345.58

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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.