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Finding the Fourth Proportional to 556,925.76, 835,381.35 and 136,205.28

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Solution

The fourth proportional to 556,925.76, 835,381.35 and 136,205.28 is: 204,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,925.76 : 835,381.35 = 136,205.28 : x
  2. Step 2: Convert to fraction form
    556,925.76/835,381.35 = 136,205.28/x
  3. Step 3: Cross multiply
    556,925.76x = 835,381.35 × 136,205.28
  4. Step 4: Simplify right side
    556,925.76x = 113,783,350,683.53
  5. Step 5: Solve for x
    x = 113,783,350,683.53/556,925.76
  6. Step 6: Final answer
    x = 204,306.14

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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.