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Finding the Fourth Proportional to 581,099.04, 801,911.84 and 326,444.72

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Solution

The fourth proportional to 581,099.04, 801,911.84 and 326,444.72 is: 450,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,099.04 : 801,911.84 = 326,444.72 : x
  2. Step 2: Convert to fraction form
    581,099.04/801,911.84 = 326,444.72/x
  3. Step 3: Cross multiply
    581,099.04x = 801,911.84 × 326,444.72
  4. Step 4: Simplify right side
    581,099.04x = 261,779,886,073.49
  5. Step 5: Solve for x
    x = 261,779,886,073.49/581,099.04
  6. Step 6: Final answer
    x = 450,491.00

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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.