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Finding the Fourth Proportional to 932,046.22, 1,398,055.03 and 419,349.22

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Solution

The fourth proportional to 932,046.22, 1,398,055.03 and 419,349.22 is: 629,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,046.22 : 1,398,055.03 = 419,349.22 : x
  2. Step 2: Convert to fraction form
    932,046.22/1,398,055.03 = 419,349.22/x
  3. Step 3: Cross multiply
    932,046.22x = 1,398,055.03 × 419,349.22
  4. Step 4: Simplify right side
    932,046.22x = 586,273,286,347.58
  5. Step 5: Solve for x
    x = 586,273,286,347.58/932,046.22
  6. Step 6: Final answer
    x = 629,017.40

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1.5x scale

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.