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Finding the Fourth Proportional to 533,609.35, 736,371.22 and 291,889.80

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Solution

The fourth proportional to 533,609.35, 736,371.22 and 291,889.80 is: 402,802.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,609.35 : 736,371.22 = 291,889.80 : x
  2. Step 2: Convert to fraction form
    533,609.35/736,371.22 = 291,889.80/x
  3. Step 3: Cross multiply
    533,609.35x = 736,371.22 × 291,889.80
  4. Step 4: Simplify right side
    533,609.35x = 214,939,248,131.56
  5. Step 5: Solve for x
    x = 214,939,248,131.56/533,609.35
  6. Step 6: Final answer
    x = 402,802.63

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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.