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Finding the Fourth Proportional to 590,989, 886,483.50 and 147,757

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Solution

The fourth proportional to 590,989, 886,483.50 and 147,757 is: 221,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,989 : 886,483.50 = 147,757 : x
  2. Step 2: Convert to fraction form
    590,989/886,483.50 = 147,757/x
  3. Step 3: Cross multiply
    590,989x = 886,483.50 × 147,757
  4. Step 4: Simplify right side
    590,989x = 130,984,142,509.50
  5. Step 5: Solve for x
    x = 130,984,142,509.50/590,989
  6. Step 6: Final answer
    x = 221,635.50

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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.