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Finding the Fourth Proportional to 659,492.64, 910,120.50 and 373,007.16

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Solution

The fourth proportional to 659,492.64, 910,120.50 and 373,007.16 is: 514,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,492.64 : 910,120.50 = 373,007.16 : x
  2. Step 2: Convert to fraction form
    659,492.64/910,120.50 = 373,007.16/x
  3. Step 3: Cross multiply
    659,492.64x = 910,120.50 × 373,007.16
  4. Step 4: Simplify right side
    659,492.64x = 339,481,462,962.78
  5. Step 5: Solve for x
    x = 339,481,462,962.78/659,492.64
  6. Step 6: Final answer
    x = 514,761.56

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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.