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Finding the Fourth Proportional to 506,465.87, 759,418.34 and 207,156.62

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Solution

The fourth proportional to 506,465.87, 759,418.34 and 207,156.62 is: 310,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,465.87 : 759,418.34 = 207,156.62 : x
  2. Step 2: Convert to fraction form
    506,465.87/759,418.34 = 207,156.62/x
  3. Step 3: Cross multiply
    506,465.87x = 759,418.34 × 207,156.62
  4. Step 4: Simplify right side
    506,465.87x = 157,318,537,343.17
  5. Step 5: Solve for x
    x = 157,318,537,343.17/506,465.87
  6. Step 6: Final answer
    x = 310,620.22

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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.