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Finding the Fourth Proportional to 623,653.44, 935,467.20 and 249,576

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Solution

The fourth proportional to 623,653.44, 935,467.20 and 249,576 is: 374,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,653.44 : 935,467.20 = 249,576 : x
  2. Step 2: Convert to fraction form
    623,653.44/935,467.20 = 249,576/x
  3. Step 3: Cross multiply
    623,653.44x = 935,467.20 × 249,576
  4. Step 4: Simplify right side
    623,653.44x = 233,470,161,907.20
  5. Step 5: Solve for x
    x = 233,470,161,907.20/623,653.44
  6. Step 6: Final answer
    x = 374,358.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.