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Finding the Fourth Proportional to 446,955.60, 670,433.40 and 417,212.40

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Solution

The fourth proportional to 446,955.60, 670,433.40 and 417,212.40 is: 625,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,955.60 : 670,433.40 = 417,212.40 : x
  2. Step 2: Convert to fraction form
    446,955.60/670,433.40 = 417,212.40/x
  3. Step 3: Cross multiply
    446,955.60x = 670,433.40 × 417,212.40
  4. Step 4: Simplify right side
    446,955.60x = 279,713,127,854.16
  5. Step 5: Solve for x
    x = 279,713,127,854.16/446,955.60
  6. Step 6: Final answer
    x = 625,818.60

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Similar ratio
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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.