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Finding the Fourth Proportional to 433,547.70, 650,370.15 and 134,025.90

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Solution

The fourth proportional to 433,547.70, 650,370.15 and 134,025.90 is: 201,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,547.70 : 650,370.15 = 134,025.90 : x
  2. Step 2: Convert to fraction form
    433,547.70/650,370.15 = 134,025.90/x
  3. Step 3: Cross multiply
    433,547.70x = 650,370.15 × 134,025.90
  4. Step 4: Simplify right side
    433,547.70x = 87,166,444,686.89
  5. Step 5: Solve for x
    x = 87,166,444,686.89/433,547.70
  6. Step 6: Final answer
    x = 201,053.87

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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.