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Finding the Fourth Proportional to 555,948.42, 767,211.48 and 301,299.54

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Solution

The fourth proportional to 555,948.42, 767,211.48 and 301,299.54 is: 415,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,948.42 : 767,211.48 = 301,299.54 : x
  2. Step 2: Convert to fraction form
    555,948.42/767,211.48 = 301,299.54/x
  3. Step 3: Cross multiply
    555,948.42x = 767,211.48 × 301,299.54
  4. Step 4: Simplify right side
    555,948.42x = 231,160,466,006.72
  5. Step 5: Solve for x
    x = 231,160,466,006.72/555,948.42
  6. Step 6: Final answer
    x = 415,794.81

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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.