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Finding the Fourth Proportional to 576,740.38, 863,904.21 and 463,809.10

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Solution

The fourth proportional to 576,740.38, 863,904.21 and 463,809.10 is: 694,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,740.38 : 863,904.21 = 463,809.10 : x
  2. Step 2: Convert to fraction form
    576,740.38/863,904.21 = 463,809.10/x
  3. Step 3: Cross multiply
    576,740.38x = 863,904.21 × 463,809.10
  4. Step 4: Simplify right side
    576,740.38x = 400,686,634,126.31
  5. Step 5: Solve for x
    x = 400,686,634,126.31/576,740.38
  6. Step 6: Final answer
    x = 694,743.51

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1.5x scale

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.