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Finding the Fourth Proportional to 507,763.84, 757,106.20 and 493,813.52

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Solution

The fourth proportional to 507,763.84, 757,106.20 and 493,813.52 is: 736,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,763.84 : 757,106.20 = 493,813.52 : x
  2. Step 2: Convert to fraction form
    507,763.84/757,106.20 = 493,813.52/x
  3. Step 3: Cross multiply
    507,763.84x = 757,106.20 × 493,813.52
  4. Step 4: Simplify right side
    507,763.84x = 373,869,277,635.82
  5. Step 5: Solve for x
    x = 373,869,277,635.82/507,763.84
  6. Step 6: Final answer
    x = 736,305.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.