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Finding the Fourth Proportional to 595,761.40, 893,642.10 and 418,468.60

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Solution

The fourth proportional to 595,761.40, 893,642.10 and 418,468.60 is: 627,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,761.40 : 893,642.10 = 418,468.60 : x
  2. Step 2: Convert to fraction form
    595,761.40/893,642.10 = 418,468.60/x
  3. Step 3: Cross multiply
    595,761.40x = 893,642.10 × 418,468.60
  4. Step 4: Simplify right side
    595,761.40x = 373,961,158,488.06
  5. Step 5: Solve for x
    x = 373,961,158,488.06/595,761.40
  6. Step 6: Final answer
    x = 627,702.90

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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.