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Finding the Fourth Proportional to 490,701, 736,050.56 and 153,767.48

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Solution

The fourth proportional to 490,701, 736,050.56 and 153,767.48 is: 230,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,701 : 736,050.56 = 153,767.48 : x
  2. Step 2: Convert to fraction form
    490,701/736,050.56 = 153,767.48/x
  3. Step 3: Cross multiply
    490,701x = 736,050.56 × 153,767.48
  4. Step 4: Simplify right side
    490,701x = 113,180,639,763.79
  5. Step 5: Solve for x
    x = 113,180,639,763.79/490,701
  6. Step 6: Final answer
    x = 230,650.93

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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.