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Finding the Fourth Proportional to 627,803.18, 866,350.59 and 341,316.62

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Solution

The fourth proportional to 627,803.18, 866,350.59 and 341,316.62 is: 471,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,803.18 : 866,350.59 = 341,316.62 : x
  2. Step 2: Convert to fraction form
    627,803.18/866,350.59 = 341,316.62/x
  3. Step 3: Cross multiply
    627,803.18x = 866,350.59 × 341,316.62
  4. Step 4: Simplify right side
    627,803.18x = 295,699,855,113.81
  5. Step 5: Solve for x
    x = 295,699,855,113.81/627,803.18
  6. Step 6: Final answer
    x = 471,007.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.