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Finding the Fourth Proportional to 552,895.66, 829,461.81 and 313,122.89

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Solution

The fourth proportional to 552,895.66, 829,461.81 and 313,122.89 is: 469,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,895.66 : 829,461.81 = 313,122.89 : x
  2. Step 2: Convert to fraction form
    552,895.66/829,461.81 = 313,122.89/x
  3. Step 3: Cross multiply
    552,895.66x = 829,461.81 × 313,122.89
  4. Step 4: Simplify right side
    552,895.66x = 259,723,482,339.70
  5. Step 5: Solve for x
    x = 259,723,482,339.70/552,895.66
  6. Step 6: Final answer
    x = 469,751.35

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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.