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Finding the Fourth Proportional to 581,000.19, 801,855.45 and 326,351.31

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Solution

The fourth proportional to 581,000.19, 801,855.45 and 326,351.31 is: 450,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,000.19 : 801,855.45 = 326,351.31 : x
  2. Step 2: Convert to fraction form
    581,000.19/801,855.45 = 326,351.31/x
  3. Step 3: Cross multiply
    581,000.19x = 801,855.45 × 326,351.31
  4. Step 4: Simplify right side
    581,000.19x = 261,686,576,538.14
  5. Step 5: Solve for x
    x = 261,686,576,538.14/581,000.19
  6. Step 6: Final answer
    x = 450,407.04

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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.