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Finding the Fourth Proportional to 556,871.40, 835,307.10 and 136,151.40

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Solution

The fourth proportional to 556,871.40, 835,307.10 and 136,151.40 is: 204,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,871.40 : 835,307.10 = 136,151.40 : x
  2. Step 2: Convert to fraction form
    556,871.40/835,307.10 = 136,151.40/x
  3. Step 3: Cross multiply
    556,871.40x = 835,307.10 × 136,151.40
  4. Step 4: Simplify right side
    556,871.40x = 113,728,231,094.94
  5. Step 5: Solve for x
    x = 113,728,231,094.94/556,871.40
  6. Step 6: Final answer
    x = 204,227.10

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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.