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Finding the Fourth Proportional to 403,756.60, 604,760.10 and 333,772.60

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Solution

The fourth proportional to 403,756.60, 604,760.10 and 333,772.60 is: 499,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,756.60 : 604,760.10 = 333,772.60 : x
  2. Step 2: Convert to fraction form
    403,756.60/604,760.10 = 333,772.60/x
  3. Step 3: Cross multiply
    403,756.60x = 604,760.10 × 333,772.60
  4. Step 4: Simplify right side
    403,756.60x = 201,852,350,953.26
  5. Step 5: Solve for x
    x = 201,852,350,953.26/403,756.60
  6. Step 6: Final answer
    x = 499,935.73

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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.