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Finding the Fourth Proportional to 484,283.61, 668,302.25 and 269,423.01

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Solution

The fourth proportional to 484,283.61, 668,302.25 and 269,423.01 is: 371,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,283.61 : 668,302.25 = 269,423.01 : x
  2. Step 2: Convert to fraction form
    484,283.61/668,302.25 = 269,423.01/x
  3. Step 3: Cross multiply
    484,283.61x = 668,302.25 × 269,423.01
  4. Step 4: Simplify right side
    484,283.61x = 180,056,002,437.66
  5. Step 5: Solve for x
    x = 180,056,002,437.66/484,283.61
  6. Step 6: Final answer
    x = 371,798.67

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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.