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Finding the Fourth Proportional to 413,807.94, 620,707.93 and 245,206.91

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Solution

The fourth proportional to 413,807.94, 620,707.93 and 245,206.91 is: 367,808.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,807.94 : 620,707.93 = 245,206.91 : x
  2. Step 2: Convert to fraction form
    413,807.94/620,707.93 = 245,206.91/x
  3. Step 3: Cross multiply
    413,807.94x = 620,707.93 × 245,206.91
  4. Step 4: Simplify right side
    413,807.94x = 152,201,874,466.55
  5. Step 5: Solve for x
    x = 152,201,874,466.55/413,807.94
  6. Step 6: Final answer
    x = 367,808.01

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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.