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Finding the Fourth Proportional to 664,495.80, 996,743.70 and 465,041.40

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Solution

The fourth proportional to 664,495.80, 996,743.70 and 465,041.40 is: 697,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,495.80 : 996,743.70 = 465,041.40 : x
  2. Step 2: Convert to fraction form
    664,495.80/996,743.70 = 465,041.40/x
  3. Step 3: Cross multiply
    664,495.80x = 996,743.70 × 465,041.40
  4. Step 4: Simplify right side
    664,495.80x = 463,527,085,689.18
  5. Step 5: Solve for x
    x = 463,527,085,689.18/664,495.80
  6. Step 6: Final answer
    x = 697,562.10

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Similar ratio
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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.