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Finding the Fourth Proportional to 661,694.40, 992,541.60 and 589,809.60

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Solution

The fourth proportional to 661,694.40, 992,541.60 and 589,809.60 is: 884,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,694.40 : 992,541.60 = 589,809.60 : x
  2. Step 2: Convert to fraction form
    661,694.40/992,541.60 = 589,809.60/x
  3. Step 3: Cross multiply
    661,694.40x = 992,541.60 × 589,809.60
  4. Step 4: Simplify right side
    661,694.40x = 585,410,564,079.36
  5. Step 5: Solve for x
    x = 585,410,564,079.36/661,694.40
  6. Step 6: Final answer
    x = 884,714.40

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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.