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Finding the Fourth Proportional to 893,670.10, 1,340,505.15 and 627,730.90

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Solution

The fourth proportional to 893,670.10, 1,340,505.15 and 627,730.90 is: 941,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,670.10 : 1,340,505.15 = 627,730.90 : x
  2. Step 2: Convert to fraction form
    893,670.10/1,340,505.15 = 627,730.90/x
  3. Step 3: Cross multiply
    893,670.10x = 1,340,505.15 × 627,730.90
  4. Step 4: Simplify right side
    893,670.10x = 841,476,504,264.14
  5. Step 5: Solve for x
    x = 841,476,504,264.14/893,670.10
  6. Step 6: Final answer
    x = 941,596.35

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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.