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Finding the Fourth Proportional to 292,559.40, 403,711.02 and 171,705.60

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Solution

The fourth proportional to 292,559.40, 403,711.02 and 171,705.60 is: 236,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,559.40 : 403,711.02 = 171,705.60 : x
  2. Step 2: Convert to fraction form
    292,559.40/403,711.02 = 171,705.60/x
  3. Step 3: Cross multiply
    292,559.40x = 403,711.02 × 171,705.60
  4. Step 4: Simplify right side
    292,559.40x = 69,319,442,915.71
  5. Step 5: Solve for x
    x = 69,319,442,915.71/292,559.40
  6. Step 6: Final answer
    x = 236,941.43

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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.