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Finding the Fourth Proportional to 416,962.55, 575,409.32 and 225,975.89

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Solution

The fourth proportional to 416,962.55, 575,409.32 and 225,975.89 is: 311,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,962.55 : 575,409.32 = 225,975.89 : x
  2. Step 2: Convert to fraction form
    416,962.55/575,409.32 = 225,975.89/x
  3. Step 3: Cross multiply
    416,962.55x = 575,409.32 × 225,975.89
  4. Step 4: Simplify right side
    416,962.55x = 130,028,634,357.35
  5. Step 5: Solve for x
    x = 130,028,634,357.35/416,962.55
  6. Step 6: Final answer
    x = 311,847.27

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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.