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Finding the Fourth Proportional to 603,659.51, 904,648.17 and 453,724.87

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Solution

The fourth proportional to 603,659.51, 904,648.17 and 453,724.87 is: 679,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,659.51 : 904,648.17 = 453,724.87 : x
  2. Step 2: Convert to fraction form
    603,659.51/904,648.17 = 453,724.87/x
  3. Step 3: Cross multiply
    603,659.51x = 904,648.17 × 453,724.87
  4. Step 4: Simplify right side
    603,659.51x = 410,461,368,805.75
  5. Step 5: Solve for x
    x = 410,461,368,805.75/603,659.51
  6. Step 6: Final answer
    x = 679,955.11

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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.