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Finding the Fourth Proportional to 556,463.90, 834,720.15 and 182,486.90

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Solution

The fourth proportional to 556,463.90, 834,720.15 and 182,486.90 is: 273,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,463.90 : 834,720.15 = 182,486.90 : x
  2. Step 2: Convert to fraction form
    556,463.90/834,720.15 = 182,486.90/x
  3. Step 3: Cross multiply
    556,463.90x = 834,720.15 × 182,486.90
  4. Step 4: Simplify right side
    556,463.90x = 152,325,492,541.04
  5. Step 5: Solve for x
    x = 152,325,492,541.04/556,463.90
  6. Step 6: Final answer
    x = 273,738.32

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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.