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Finding the Fourth Proportional to 557,335.40, 836,003.10 and 136,615.40

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Solution

The fourth proportional to 557,335.40, 836,003.10 and 136,615.40 is: 204,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,335.40 : 836,003.10 = 136,615.40 : x
  2. Step 2: Convert to fraction form
    557,335.40/836,003.10 = 136,615.40/x
  3. Step 3: Cross multiply
    557,335.40x = 836,003.10 × 136,615.40
  4. Step 4: Simplify right side
    557,335.40x = 114,210,897,907.74
  5. Step 5: Solve for x
    x = 114,210,897,907.74/557,335.40
  6. Step 6: Final answer
    x = 204,923.10

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Similar ratio
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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.