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Finding the Fourth Proportional to 627,828.44, 866,420.70 and 341,368.16

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Solution

The fourth proportional to 627,828.44, 866,420.70 and 341,368.16 is: 471,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,828.44 : 866,420.70 = 341,368.16 : x
  2. Step 2: Convert to fraction form
    627,828.44/866,420.70 = 341,368.16/x
  3. Step 3: Cross multiply
    627,828.44x = 866,420.70 × 341,368.16
  4. Step 4: Simplify right side
    627,828.44x = 295,768,440,144.91
  5. Step 5: Solve for x
    x = 295,768,440,144.91/627,828.44
  6. Step 6: Final answer
    x = 471,097.55

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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.