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Finding the Fourth Proportional to 360,401.67, 497,245.16 and 251,503.11

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Solution

The fourth proportional to 360,401.67, 497,245.16 and 251,503.11 is: 346,998.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,401.67 : 497,245.16 = 251,503.11 : x
  2. Step 2: Convert to fraction form
    360,401.67/497,245.16 = 251,503.11/x
  3. Step 3: Cross multiply
    360,401.67x = 497,245.16 × 251,503.11
  4. Step 4: Simplify right side
    360,401.67x = 125,058,702,914.93
  5. Step 5: Solve for x
    x = 125,058,702,914.93/360,401.67
  6. Step 6: Final answer
    x = 346,998.12

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Double scale
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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.