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Finding the Fourth Proportional to 463,341.80, 693,846.30 and 304,711.40

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Solution

The fourth proportional to 463,341.80, 693,846.30 and 304,711.40 is: 456,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,341.80 : 693,846.30 = 304,711.40 : x
  2. Step 2: Convert to fraction form
    463,341.80/693,846.30 = 304,711.40/x
  3. Step 3: Cross multiply
    463,341.80x = 693,846.30 × 304,711.40
  4. Step 4: Simplify right side
    463,341.80x = 211,422,877,457.82
  5. Step 5: Solve for x
    x = 211,422,877,457.82/463,341.80
  6. Step 6: Final answer
    x = 456,300.03

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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.