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Finding the Fourth Proportional to 593,176.78, 818,665.40 and 363,693.48

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Solution

The fourth proportional to 593,176.78, 818,665.40 and 363,693.48 is: 501,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,176.78 : 818,665.40 = 363,693.48 : x
  2. Step 2: Convert to fraction form
    593,176.78/818,665.40 = 363,693.48/x
  3. Step 3: Cross multiply
    593,176.78x = 818,665.40 × 363,693.48
  4. Step 4: Simplify right side
    593,176.78x = 297,743,268,281.59
  5. Step 5: Solve for x
    x = 297,743,268,281.59/593,176.78
  6. Step 6: Final answer
    x = 501,946.94

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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.