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Finding the Fourth Proportional to 491,041.87, 736,593.95 and 154,095.81

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Solution

The fourth proportional to 491,041.87, 736,593.95 and 154,095.81 is: 231,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,041.87 : 736,593.95 = 154,095.81 : x
  2. Step 2: Convert to fraction form
    491,041.87/736,593.95 = 154,095.81/x
  3. Step 3: Cross multiply
    491,041.87x = 736,593.95 × 154,095.81
  4. Step 4: Simplify right side
    491,041.87x = 113,506,040,595.87
  5. Step 5: Solve for x
    x = 113,506,040,595.87/491,041.87
  6. Step 6: Final answer
    x = 231,153.49

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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.