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Finding the Fourth Proportional to 462,308.87, 637,931.00 and 255,549.34

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Solution

The fourth proportional to 462,308.87, 637,931.00 and 255,549.34 is: 352,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,308.87 : 637,931.00 = 255,549.34 : x
  2. Step 2: Convert to fraction form
    462,308.87/637,931.00 = 255,549.34/x
  3. Step 3: Cross multiply
    462,308.87x = 637,931.00 × 255,549.34
  4. Step 4: Simplify right side
    462,308.87x = 163,022,843,142.97
  5. Step 5: Solve for x
    x = 163,022,843,142.97/462,308.87
  6. Step 6: Final answer
    x = 352,627.55

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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.