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Finding the Fourth Proportional to 531,007.10, 796,510.65 and 510,011.90

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Solution

The fourth proportional to 531,007.10, 796,510.65 and 510,011.90 is: 765,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,007.10 : 796,510.65 = 510,011.90 : x
  2. Step 2: Convert to fraction form
    531,007.10/796,510.65 = 510,011.90/x
  3. Step 3: Cross multiply
    531,007.10x = 796,510.65 × 510,011.90
  4. Step 4: Simplify right side
    531,007.10x = 406,229,909,976.74
  5. Step 5: Solve for x
    x = 406,229,909,976.74/531,007.10
  6. Step 6: Final answer
    x = 765,017.85

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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.