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Finding the Fourth Proportional to 384,693.17, 577,038.98 and 361,283.36

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Solution

The fourth proportional to 384,693.17, 577,038.98 and 361,283.36 is: 541,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,693.17 : 577,038.98 = 361,283.36 : x
  2. Step 2: Convert to fraction form
    384,693.17/577,038.98 = 361,283.36/x
  3. Step 3: Cross multiply
    384,693.17x = 577,038.98 × 361,283.36
  4. Step 4: Simplify right side
    384,693.17x = 208,474,583,472.49
  5. Step 5: Solve for x
    x = 208,474,583,472.49/384,693.17
  6. Step 6: Final answer
    x = 541,924.32

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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.