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Finding the Fourth Proportional to 433,018.89, 597,555.45 and 239,421.50

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Solution

The fourth proportional to 433,018.89, 597,555.45 and 239,421.50 is: 330,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,018.89 : 597,555.45 = 239,421.50 : x
  2. Step 2: Convert to fraction form
    433,018.89/597,555.45 = 239,421.50/x
  3. Step 3: Cross multiply
    433,018.89x = 597,555.45 × 239,421.50
  4. Step 4: Simplify right side
    433,018.89x = 143,067,620,417.98
  5. Step 5: Solve for x
    x = 143,067,620,417.98/433,018.89
  6. Step 6: Final answer
    x = 330,395.80

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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.