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Finding the Fourth Proportional to 671,330.16, 926,435.88 and 369,522

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Solution

The fourth proportional to 671,330.16, 926,435.88 and 369,522 is: 509,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,330.16 : 926,435.88 = 369,522 : x
  2. Step 2: Convert to fraction form
    671,330.16/926,435.88 = 369,522/x
  3. Step 3: Cross multiply
    671,330.16x = 926,435.88 × 369,522
  4. Step 4: Simplify right side
    671,330.16x = 342,338,439,249.36
  5. Step 5: Solve for x
    x = 342,338,439,249.36/671,330.16
  6. Step 6: Final answer
    x = 509,940.50

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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.