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Finding the Fourth Proportional to 533,609.33, 736,371.20 and 291,889.79

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Solution

The fourth proportional to 533,609.33, 736,371.20 and 291,889.79 is: 402,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,609.33 : 736,371.20 = 291,889.79 : x
  2. Step 2: Convert to fraction form
    533,609.33/736,371.20 = 291,889.79/x
  3. Step 3: Cross multiply
    533,609.33x = 736,371.20 × 291,889.79
  4. Step 4: Simplify right side
    533,609.33x = 214,939,230,883.33
  5. Step 5: Solve for x
    x = 214,939,230,883.33/533,609.33
  6. Step 6: Final answer
    x = 402,802.61

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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.