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Finding the Fourth Proportional to 646,832.40, 969,066.28 and 468,898.08

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Solution

The fourth proportional to 646,832.40, 969,066.28 and 468,898.08 is: 702,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,832.40 : 969,066.28 = 468,898.08 : x
  2. Step 2: Convert to fraction form
    646,832.40/969,066.28 = 468,898.08/x
  3. Step 3: Cross multiply
    646,832.40x = 969,066.28 × 468,898.08
  4. Step 4: Simplify right side
    646,832.40x = 454,393,318,084.74
  5. Step 5: Solve for x
    x = 454,393,318,084.74/646,832.40
  6. Step 6: Final answer
    x = 702,490.04

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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.