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Finding the Fourth Proportional to 417,798.32, 576,004.90 and 332,043.64

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Solution

The fourth proportional to 417,798.32, 576,004.90 and 332,043.64 is: 457,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,798.32 : 576,004.90 = 332,043.64 : x
  2. Step 2: Convert to fraction form
    417,798.32/576,004.90 = 332,043.64/x
  3. Step 3: Cross multiply
    417,798.32x = 576,004.90 × 332,043.64
  4. Step 4: Simplify right side
    417,798.32x = 191,258,763,653.84
  5. Step 5: Solve for x
    x = 191,258,763,653.84/417,798.32
  6. Step 6: Final answer
    x = 457,777.72

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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.