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Finding the Fourth Proportional to 543,679.64, 750,277.94 and 301,984.71

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Solution

The fourth proportional to 543,679.64, 750,277.94 and 301,984.71 is: 416,738.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,679.64 : 750,277.94 = 301,984.71 : x
  2. Step 2: Convert to fraction form
    543,679.64/750,277.94 = 301,984.71/x
  3. Step 3: Cross multiply
    543,679.64x = 750,277.94 × 301,984.71
  4. Step 4: Simplify right side
    543,679.64x = 226,572,466,130.30
  5. Step 5: Solve for x
    x = 226,572,466,130.30/543,679.64
  6. Step 6: Final answer
    x = 416,738.92

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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.