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Finding the Fourth Proportional to 292,667.58, 403,880.58 and 158,531.58

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Solution

The fourth proportional to 292,667.58, 403,880.58 and 158,531.58 is: 218,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,667.58 : 403,880.58 = 158,531.58 : x
  2. Step 2: Convert to fraction form
    292,667.58/403,880.58 = 158,531.58/x
  3. Step 3: Cross multiply
    292,667.58x = 403,880.58 × 158,531.58
  4. Step 4: Simplify right side
    292,667.58x = 64,027,826,478.72
  5. Step 5: Solve for x
    x = 64,027,826,478.72/292,667.58
  6. Step 6: Final answer
    x = 218,773.21

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1.5x scale

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.