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Finding the Fourth Proportional to 388,967.66, 583,217.93 and 152,028.06

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Solution

The fourth proportional to 388,967.66, 583,217.93 and 152,028.06 is: 227,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,967.66 : 583,217.93 = 152,028.06 : x
  2. Step 2: Convert to fraction form
    388,967.66/583,217.93 = 152,028.06/x
  3. Step 3: Cross multiply
    388,967.66x = 583,217.93 × 152,028.06
  4. Step 4: Simplify right side
    388,967.66x = 88,665,490,455.12
  5. Step 5: Solve for x
    x = 88,665,490,455.12/388,967.66
  6. Step 6: Final answer
    x = 227,950.80

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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.