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Finding the Fourth Proportional to 429,876.76, 592,604.70 and 300,413.29

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Solution

The fourth proportional to 429,876.76, 592,604.70 and 300,413.29 is: 414,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,876.76 : 592,604.70 = 300,413.29 : x
  2. Step 2: Convert to fraction form
    429,876.76/592,604.70 = 300,413.29/x
  3. Step 3: Cross multiply
    429,876.76x = 592,604.70 × 300,413.29
  4. Step 4: Simplify right side
    429,876.76x = 178,026,324,633.44
  5. Step 5: Solve for x
    x = 178,026,324,633.44/429,876.76
  6. Step 6: Final answer
    x = 414,133.40

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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.