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Finding the Fourth Proportional to 514,325.62, 709,776.69 and 296,529.98

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Solution

The fourth proportional to 514,325.62, 709,776.69 and 296,529.98 is: 409,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,325.62 : 709,776.69 = 296,529.98 : x
  2. Step 2: Convert to fraction form
    514,325.62/709,776.69 = 296,529.98/x
  3. Step 3: Cross multiply
    514,325.62x = 709,776.69 × 296,529.98
  4. Step 4: Simplify right side
    514,325.62x = 210,470,068,935.97
  5. Step 5: Solve for x
    x = 210,470,068,935.97/514,325.62
  6. Step 6: Final answer
    x = 409,215.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.