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Finding the Fourth Proportional to 417,710.64, 576,303.48 and 236,404.56

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Solution

The fourth proportional to 417,710.64, 576,303.48 and 236,404.56 is: 326,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,710.64 : 576,303.48 = 236,404.56 : x
  2. Step 2: Convert to fraction form
    417,710.64/576,303.48 = 236,404.56/x
  3. Step 3: Cross multiply
    417,710.64x = 576,303.48 × 236,404.56
  4. Step 4: Simplify right side
    417,710.64x = 136,240,770,615.87
  5. Step 5: Solve for x
    x = 136,240,770,615.87/417,710.64
  6. Step 6: Final answer
    x = 326,160.64

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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.