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Finding the Fourth Proportional to 384,473.70, 576,710.55 and 365,228.10

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Solution

The fourth proportional to 384,473.70, 576,710.55 and 365,228.10 is: 547,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,473.70 : 576,710.55 = 365,228.10 : x
  2. Step 2: Convert to fraction form
    384,473.70/576,710.55 = 365,228.10/x
  3. Step 3: Cross multiply
    384,473.70x = 576,710.55 × 365,228.10
  4. Step 4: Simplify right side
    384,473.70x = 210,630,898,426.46
  5. Step 5: Solve for x
    x = 210,630,898,426.46/384,473.70
  6. Step 6: Final answer
    x = 547,842.15

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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.