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Finding the Fourth Proportional to 784,099, 1,176,157.59 and 745,855.66

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Solution

The fourth proportional to 784,099, 1,176,157.59 and 745,855.66 is: 1,118,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,099 : 1,176,157.59 = 745,855.66 : x
  2. Step 2: Convert to fraction form
    784,099/1,176,157.59 = 745,855.66/x
  3. Step 3: Cross multiply
    784,099x = 1,176,157.59 × 745,855.66
  4. Step 4: Simplify right side
    784,099x = 877,243,795,553.46
  5. Step 5: Solve for x
    x = 877,243,795,553.46/784,099
  6. Step 6: Final answer
    x = 1,118,792.14

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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.