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Finding the Fourth Proportional to 602,883.05, 904,762.00 and 485,966.03

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Solution

The fourth proportional to 602,883.05, 904,762.00 and 485,966.03 is: 729,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,883.05 : 904,762.00 = 485,966.03 : x
  2. Step 2: Convert to fraction form
    602,883.05/904,762.00 = 485,966.03/x
  3. Step 3: Cross multiply
    602,883.05x = 904,762.00 × 485,966.03
  4. Step 4: Simplify right side
    602,883.05x = 439,683,593,318.51
  5. Step 5: Solve for x
    x = 439,683,593,318.51/602,883.05
  6. Step 6: Final answer
    x = 729,301.64

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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.