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Finding the Fourth Proportional to 528,702.26, 793,084.22 and 149,591.28

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Solution

The fourth proportional to 528,702.26, 793,084.22 and 149,591.28 is: 224,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,702.26 : 793,084.22 = 149,591.28 : x
  2. Step 2: Convert to fraction form
    528,702.26/793,084.22 = 149,591.28/x
  3. Step 3: Cross multiply
    528,702.26x = 793,084.22 × 149,591.28
  4. Step 4: Simplify right side
    528,702.26x = 118,638,483,617.60
  5. Step 5: Solve for x
    x = 118,638,483,617.60/528,702.26
  6. Step 6: Final answer
    x = 224,395.64

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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.