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Finding the Fourth Proportional to 292,765.93, 404,011.71 and 165,438.79

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Solution

The fourth proportional to 292,765.93, 404,011.71 and 165,438.79 is: 228,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,765.93 : 404,011.71 = 165,438.79 : x
  2. Step 2: Convert to fraction form
    292,765.93/404,011.71 = 165,438.79/x
  3. Step 3: Cross multiply
    292,765.93x = 404,011.71 × 165,438.79
  4. Step 4: Simplify right side
    292,765.93x = 66,839,207,438.20
  5. Step 5: Solve for x
    x = 66,839,207,438.20/292,765.93
  6. Step 6: Final answer
    x = 228,302.55

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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.