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Finding the Fourth Proportional to 924,807.20, 1,387,249.20 and 293,703.20

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Solution

The fourth proportional to 924,807.20, 1,387,249.20 and 293,703.20 is: 440,567.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,807.20 : 1,387,249.20 = 293,703.20 : x
  2. Step 2: Convert to fraction form
    924,807.20/1,387,249.20 = 293,703.20/x
  3. Step 3: Cross multiply
    924,807.20x = 1,387,249.20 × 293,703.20
  4. Step 4: Simplify right side
    924,807.20x = 407,439,529,237.44
  5. Step 5: Solve for x
    x = 407,439,529,237.44/924,807.20
  6. Step 6: Final answer
    x = 440,567.00

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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.