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Finding the Fourth Proportional to 595,763.40, 893,645.10 and 418,470.60

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Solution

The fourth proportional to 595,763.40, 893,645.10 and 418,470.60 is: 627,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,763.40 : 893,645.10 = 418,470.60 : x
  2. Step 2: Convert to fraction form
    595,763.40/893,645.10 = 418,470.60/x
  3. Step 3: Cross multiply
    595,763.40x = 893,645.10 × 418,470.60
  4. Step 4: Simplify right side
    595,763.40x = 373,964,201,184.06
  5. Step 5: Solve for x
    x = 373,964,201,184.06/595,763.40
  6. Step 6: Final answer
    x = 627,705.90

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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.