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Finding the Fourth Proportional to 570,256.63, 854,440.39 and 400,949.76

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Solution

The fourth proportional to 570,256.63, 854,440.39 and 400,949.76 is: 600,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,256.63 : 854,440.39 = 400,949.76 : x
  2. Step 2: Convert to fraction form
    570,256.63/854,440.39 = 400,949.76/x
  3. Step 3: Cross multiply
    570,256.63x = 854,440.39 × 400,949.76
  4. Step 4: Simplify right side
    570,256.63x = 342,587,669,304.81
  5. Step 5: Solve for x
    x = 342,587,669,304.81/570,256.63
  6. Step 6: Final answer
    x = 600,760.52

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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.