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Finding the Fourth Proportional to 533,496.98, 736,215.48 and 291,778.80

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Solution

The fourth proportional to 533,496.98, 736,215.48 and 291,778.80 is: 402,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,496.98 : 736,215.48 = 291,778.80 : x
  2. Step 2: Convert to fraction form
    533,496.98/736,215.48 = 291,778.80/x
  3. Step 3: Cross multiply
    533,496.98x = 736,215.48 × 291,778.80
  4. Step 4: Simplify right side
    533,496.98x = 214,812,069,295.82
  5. Step 5: Solve for x
    x = 214,812,069,295.82/533,496.98
  6. Step 6: Final answer
    x = 402,649.09

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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.