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Finding the Fourth Proportional to 578,330.58, 798,098.93 and 323,730.98

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Solution

The fourth proportional to 578,330.58, 798,098.93 and 323,730.98 is: 446,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,330.58 : 798,098.93 = 323,730.98 : x
  2. Step 2: Convert to fraction form
    578,330.58/798,098.93 = 323,730.98/x
  3. Step 3: Cross multiply
    578,330.58x = 798,098.93 × 323,730.98
  4. Step 4: Simplify right side
    578,330.58x = 258,369,347,343.56
  5. Step 5: Solve for x
    x = 258,369,347,343.56/578,330.58
  6. Step 6: Final answer
    x = 446,750.28

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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.