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Finding the Fourth Proportional to 663,114.60, 994,671.90 and 589,631.40

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Solution

The fourth proportional to 663,114.60, 994,671.90 and 589,631.40 is: 884,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,114.60 : 994,671.90 = 589,631.40 : x
  2. Step 2: Convert to fraction form
    663,114.60/994,671.90 = 589,631.40/x
  3. Step 3: Cross multiply
    663,114.60x = 994,671.90 × 589,631.40
  4. Step 4: Simplify right side
    663,114.60x = 586,489,784,937.66
  5. Step 5: Solve for x
    x = 586,489,784,937.66/663,114.60
  6. Step 6: Final answer
    x = 884,447.10

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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.