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Finding the Fourth Proportional to 386,235.93, 532,987.01 and 214,160.89

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Solution

The fourth proportional to 386,235.93, 532,987.01 and 214,160.89 is: 295,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,235.93 : 532,987.01 = 214,160.89 : x
  2. Step 2: Convert to fraction form
    386,235.93/532,987.01 = 214,160.89/x
  3. Step 3: Cross multiply
    386,235.93x = 532,987.01 × 214,160.89
  4. Step 4: Simplify right side
    386,235.93x = 114,144,970,016.77
  5. Step 5: Solve for x
    x = 114,144,970,016.77/386,235.93
  6. Step 6: Final answer
    x = 295,531.72

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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.