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Finding the Fourth Proportional to 484,263.87, 726,395.80 and 176,538.93

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Solution

The fourth proportional to 484,263.87, 726,395.80 and 176,538.93 is: 264,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,263.87 : 726,395.80 = 176,538.93 : x
  2. Step 2: Convert to fraction form
    484,263.87/726,395.80 = 176,538.93/x
  3. Step 3: Cross multiply
    484,263.87x = 726,395.80 × 176,538.93
  4. Step 4: Simplify right side
    484,263.87x = 128,237,139,284.92
  5. Step 5: Solve for x
    x = 128,237,139,284.92/484,263.87
  6. Step 6: Final answer
    x = 264,808.40

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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.