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Finding the Fourth Proportional to 414,547.60, 620,784.60 and 331,603.60

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Solution

The fourth proportional to 414,547.60, 620,784.60 and 331,603.60 is: 496,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,547.60 : 620,784.60 = 331,603.60 : x
  2. Step 2: Convert to fraction form
    414,547.60/620,784.60 = 331,603.60/x
  3. Step 3: Cross multiply
    414,547.60x = 620,784.60 × 331,603.60
  4. Step 4: Simplify right side
    414,547.60x = 205,854,408,184.56
  5. Step 5: Solve for x
    x = 205,854,408,184.56/414,547.60
  6. Step 6: Final answer
    x = 496,576.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.