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Finding the Fourth Proportional to 404,430.66, 606,660.57 and 151,685.55

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Solution

The fourth proportional to 404,430.66, 606,660.57 and 151,685.55 is: 227,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,430.66 : 606,660.57 = 151,685.55 : x
  2. Step 2: Convert to fraction form
    404,430.66/606,660.57 = 151,685.55/x
  3. Step 3: Cross multiply
    404,430.66x = 606,660.57 × 151,685.55
  4. Step 4: Simplify right side
    404,430.66x = 92,021,642,223.76
  5. Step 5: Solve for x
    x = 92,021,642,223.76/404,430.66
  6. Step 6: Final answer
    x = 227,533.79

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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.