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Finding the Fourth Proportional to 556,218.70, 834,656.10 and 367,225.45

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Solution

The fourth proportional to 556,218.70, 834,656.10 and 367,225.45 is: 551,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,218.70 : 834,656.10 = 367,225.45 : x
  2. Step 2: Convert to fraction form
    556,218.70/834,656.10 = 367,225.45/x
  3. Step 3: Cross multiply
    556,218.70x = 834,656.10 × 367,225.45
  4. Step 4: Simplify right side
    556,218.70x = 306,506,961,917.75
  5. Step 5: Solve for x
    x = 306,506,961,917.75/556,218.70
  6. Step 6: Final answer
    x = 551,054.76

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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.