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Finding the Fourth Proportional to 768,950.84, 1,152,771.98 and 469,641.38

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Solution

The fourth proportional to 768,950.84, 1,152,771.98 and 469,641.38 is: 704,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,950.84 : 1,152,771.98 = 469,641.38 : x
  2. Step 2: Convert to fraction form
    768,950.84/1,152,771.98 = 469,641.38/x
  3. Step 3: Cross multiply
    768,950.84x = 1,152,771.98 × 469,641.38
  4. Step 4: Simplify right side
    768,950.84x = 541,389,415,400.47
  5. Step 5: Solve for x
    x = 541,389,415,400.47/768,950.84
  6. Step 6: Final answer
    x = 704,062.45

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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.