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Finding the Fourth Proportional to 410,900.40, 616,337.64 and 243,567.36

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Solution

The fourth proportional to 410,900.40, 616,337.64 and 243,567.36 is: 365,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,900.40 : 616,337.64 = 243,567.36 : x
  2. Step 2: Convert to fraction form
    410,900.40/616,337.64 = 243,567.36/x
  3. Step 3: Cross multiply
    410,900.40x = 616,337.64 × 243,567.36
  4. Step 4: Simplify right side
    410,900.40x = 150,119,731,843.43
  5. Step 5: Solve for x
    x = 150,119,731,843.43/410,900.40
  6. Step 6: Final answer
    x = 365,343.36

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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.