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Finding the Fourth Proportional to 292,552.40, 403,701.36 and 171,698.64

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Solution

The fourth proportional to 292,552.40, 403,701.36 and 171,698.64 is: 236,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,552.40 : 403,701.36 = 171,698.64 : x
  2. Step 2: Convert to fraction form
    292,552.40/403,701.36 = 171,698.64/x
  3. Step 3: Cross multiply
    292,552.40x = 403,701.36 × 171,698.64
  4. Step 4: Simplify right side
    292,552.40x = 69,314,974,478.15
  5. Step 5: Solve for x
    x = 69,314,974,478.15/292,552.40
  6. Step 6: Final answer
    x = 236,931.83

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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.