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Finding the Fourth Proportional to 430,776.96, 594,461.80 and 239,786.32

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Solution

The fourth proportional to 430,776.96, 594,461.80 and 239,786.32 is: 330,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,776.96 : 594,461.80 = 239,786.32 : x
  2. Step 2: Convert to fraction form
    430,776.96/594,461.80 = 239,786.32/x
  3. Step 3: Cross multiply
    430,776.96x = 594,461.80 × 239,786.32
  4. Step 4: Simplify right side
    430,776.96x = 142,543,807,402.58
  5. Step 5: Solve for x
    x = 142,543,807,402.58/430,776.96
  6. Step 6: Final answer
    x = 330,899.33

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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.