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Finding the Fourth Proportional to 576,002.85, 864,004.28 and 363,426.45

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Solution

The fourth proportional to 576,002.85, 864,004.28 and 363,426.45 is: 545,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,002.85 : 864,004.28 = 363,426.45 : x
  2. Step 2: Convert to fraction form
    576,002.85/864,004.28 = 363,426.45/x
  3. Step 3: Cross multiply
    576,002.85x = 864,004.28 × 363,426.45
  4. Step 4: Simplify right side
    576,002.85x = 314,002,006,448.07
  5. Step 5: Solve for x
    x = 314,002,006,448.07/576,002.85
  6. Step 6: Final answer
    x = 545,139.68

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Similar ratio
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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.