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Finding the Fourth Proportional to 504,328.55, 756,493.36 and 291,420.59

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Solution

The fourth proportional to 504,328.55, 756,493.36 and 291,420.59 is: 437,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,328.55 : 756,493.36 = 291,420.59 : x
  2. Step 2: Convert to fraction form
    504,328.55/756,493.36 = 291,420.59/x
  3. Step 3: Cross multiply
    504,328.55x = 756,493.36 × 291,420.59
  4. Step 4: Simplify right side
    504,328.55x = 220,457,736,791.26
  5. Step 5: Solve for x
    x = 220,457,736,791.26/504,328.55
  6. Step 6: Final answer
    x = 437,131.19

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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.