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Finding the Fourth Proportional to 341,327.80, 510,825.30 and 299,337.40

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Solution

The fourth proportional to 341,327.80, 510,825.30 and 299,337.40 is: 447,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,327.80 : 510,825.30 = 299,337.40 : x
  2. Step 2: Convert to fraction form
    341,327.80/510,825.30 = 299,337.40/x
  3. Step 3: Cross multiply
    341,327.80x = 510,825.30 × 299,337.40
  4. Step 4: Simplify right side
    341,327.80x = 152,909,117,156.22
  5. Step 5: Solve for x
    x = 152,909,117,156.22/341,327.80
  6. Step 6: Final answer
    x = 447,983.19

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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.