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Finding the Fourth Proportional to 593,271.83, 818,489.17 and 438,594.54

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Solution

The fourth proportional to 593,271.83, 818,489.17 and 438,594.54 is: 605,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,271.83 : 818,489.17 = 438,594.54 : x
  2. Step 2: Convert to fraction form
    593,271.83/818,489.17 = 438,594.54/x
  3. Step 3: Cross multiply
    593,271.83x = 818,489.17 × 438,594.54
  4. Step 4: Simplify right side
    593,271.83x = 358,984,881,011.13
  5. Step 5: Solve for x
    x = 358,984,881,011.13/593,271.83
  6. Step 6: Final answer
    x = 605,093.42

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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.