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Finding the Fourth Proportional to 679,526.84, 937,748.93 and 373,634.51

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Solution

The fourth proportional to 679,526.84, 937,748.93 and 373,634.51 is: 515,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,526.84 : 937,748.93 = 373,634.51 : x
  2. Step 2: Convert to fraction form
    679,526.84/937,748.93 = 373,634.51/x
  3. Step 3: Cross multiply
    679,526.84x = 937,748.93 × 373,634.51
  4. Step 4: Simplify right side
    679,526.84x = 350,375,355,406.66
  5. Step 5: Solve for x
    x = 350,375,355,406.66/679,526.84
  6. Step 6: Final answer
    x = 515,616.65

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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.