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Finding the Fourth Proportional to 585,082.35, 877,623.53 and 517,431.15

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Solution

The fourth proportional to 585,082.35, 877,623.53 and 517,431.15 is: 776,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,082.35 : 877,623.53 = 517,431.15 : x
  2. Step 2: Convert to fraction form
    585,082.35/877,623.53 = 517,431.15/x
  3. Step 3: Cross multiply
    585,082.35x = 877,623.53 × 517,431.15
  4. Step 4: Simplify right side
    585,082.35x = 454,109,749,807.80
  5. Step 5: Solve for x
    x = 454,109,749,807.80/585,082.35
  6. Step 6: Final answer
    x = 776,146.73

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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.