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Finding the Fourth Proportional to 662,341.55, 992,912.45 and 460,033.18

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Solution

The fourth proportional to 662,341.55, 992,912.45 and 460,033.18 is: 689,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,341.55 : 992,912.45 = 460,033.18 : x
  2. Step 2: Convert to fraction form
    662,341.55/992,912.45 = 460,033.18/x
  3. Step 3: Cross multiply
    662,341.55x = 992,912.45 × 460,033.18
  4. Step 4: Simplify right side
    662,341.55x = 456,772,667,052.64
  5. Step 5: Solve for x
    x = 456,772,667,052.64/662,341.55
  6. Step 6: Final answer
    x = 689,633.12

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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.