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Finding the Fourth Proportional to 482,070.80, 665,264.40 and 264,299.94

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Solution

The fourth proportional to 482,070.80, 665,264.40 and 264,299.94 is: 364,737.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,070.80 : 665,264.40 = 264,299.94 : x
  2. Step 2: Convert to fraction form
    482,070.80/665,264.40 = 264,299.94/x
  3. Step 3: Cross multiply
    482,070.80x = 665,264.40 × 264,299.94
  4. Step 4: Simplify right side
    482,070.80x = 175,829,341,004.14
  5. Step 5: Solve for x
    x = 175,829,341,004.14/482,070.80
  6. Step 6: Final answer
    x = 364,737.59

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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.