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Finding the Fourth Proportional to 672,058.96, 927,430.50 and 366,139.00

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Solution

The fourth proportional to 672,058.96, 927,430.50 and 366,139.00 is: 505,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,058.96 : 927,430.50 = 366,139.00 : x
  2. Step 2: Convert to fraction form
    672,058.96/927,430.50 = 366,139.00/x
  3. Step 3: Cross multiply
    672,058.96x = 927,430.50 × 366,139.00
  4. Step 4: Simplify right side
    672,058.96x = 339,568,473,520.92
  5. Step 5: Solve for x
    x = 339,568,473,520.92/672,058.96
  6. Step 6: Final answer
    x = 505,265.90

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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.