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Finding the Fourth Proportional to 292,367.76, 403,399.08 and 171,502.80

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Solution

The fourth proportional to 292,367.76, 403,399.08 and 171,502.80 is: 236,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,367.76 : 403,399.08 = 171,502.80 : x
  2. Step 2: Convert to fraction form
    292,367.76/403,399.08 = 171,502.80/x
  3. Step 3: Cross multiply
    292,367.76x = 403,399.08 × 171,502.80
  4. Step 4: Simplify right side
    292,367.76x = 69,184,071,737.42
  5. Step 5: Solve for x
    x = 69,184,071,737.42/292,367.76
  6. Step 6: Final answer
    x = 236,633.72

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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.