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Finding the Fourth Proportional to 732,838.40, 1,097,702.40 and 608,422.40

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Solution

The fourth proportional to 732,838.40, 1,097,702.40 and 608,422.40 is: 911,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,838.40 : 1,097,702.40 = 608,422.40 : x
  2. Step 2: Convert to fraction form
    732,838.40/1,097,702.40 = 608,422.40/x
  3. Step 3: Cross multiply
    732,838.40x = 1,097,702.40 × 608,422.40
  4. Step 4: Simplify right side
    732,838.40x = 667,866,728,693.76
  5. Step 5: Solve for x
    x = 667,866,728,693.76/732,838.40
  6. Step 6: Final answer
    x = 911,342.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.