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Finding the Fourth Proportional to 417,304.66, 575,873.60 and 236,009.78

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Solution

The fourth proportional to 417,304.66, 575,873.60 and 236,009.78 is: 325,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,304.66 : 575,873.60 = 236,009.78 : x
  2. Step 2: Convert to fraction form
    417,304.66/575,873.60 = 236,009.78/x
  3. Step 3: Cross multiply
    417,304.66x = 575,873.60 × 236,009.78
  4. Step 4: Simplify right side
    417,304.66x = 135,911,801,643.81
  5. Step 5: Solve for x
    x = 135,911,801,643.81/417,304.66
  6. Step 6: Final answer
    x = 325,689.63

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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.