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Finding the Fourth Proportional to 671,600.64, 926,808 and 369,792

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Solution

The fourth proportional to 671,600.64, 926,808 and 369,792 is: 510,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,600.64 : 926,808 = 369,792 : x
  2. Step 2: Convert to fraction form
    671,600.64/926,808 = 369,792/x
  3. Step 3: Cross multiply
    671,600.64x = 926,808 × 369,792
  4. Step 4: Simplify right side
    671,600.64x = 342,726,183,936
  5. Step 5: Solve for x
    x = 342,726,183,936/671,600.64
  6. Step 6: Final answer
    x = 510,312.47

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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.