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Finding the Fourth Proportional to 481,686.93, 664,097.81 and 414,426.40

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Solution

The fourth proportional to 481,686.93, 664,097.81 and 414,426.40 is: 571,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,686.93 : 664,097.81 = 414,426.40 : x
  2. Step 2: Convert to fraction form
    481,686.93/664,097.81 = 414,426.40/x
  3. Step 3: Cross multiply
    481,686.93x = 664,097.81 × 414,426.40
  4. Step 4: Simplify right side
    481,686.93x = 275,219,660,913.81
  5. Step 5: Solve for x
    x = 275,219,660,913.81/481,686.93
  6. Step 6: Final answer
    x = 571,366.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.