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Finding the Fourth Proportional to 326,058.76, 488,365.50 and 250,623.40

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Solution

The fourth proportional to 326,058.76, 488,365.50 and 250,623.40 is: 375,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,058.76 : 488,365.50 = 250,623.40 : x
  2. Step 2: Convert to fraction form
    326,058.76/488,365.50 = 250,623.40/x
  3. Step 3: Cross multiply
    326,058.76x = 488,365.50 × 250,623.40
  4. Step 4: Simplify right side
    326,058.76x = 122,395,822,052.70
  5. Step 5: Solve for x
    x = 122,395,822,052.70/326,058.76
  6. Step 6: Final answer
    x = 375,379.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.