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Finding the Fourth Proportional to 762,122.90, 1,051,744.03 and 417,937.02

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Solution

The fourth proportional to 762,122.90, 1,051,744.03 and 417,937.02 is: 576,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,122.90 : 1,051,744.03 = 417,937.02 : x
  2. Step 2: Convert to fraction form
    762,122.90/1,051,744.03 = 417,937.02/x
  3. Step 3: Cross multiply
    762,122.90x = 1,051,744.03 × 417,937.02
  4. Step 4: Simplify right side
    762,122.90x = 439,562,765,700.99
  5. Step 5: Solve for x
    x = 439,562,765,700.99/762,122.90
  6. Step 6: Final answer
    x = 576,761.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.