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Finding the Fourth Proportional to 486,988.00, 730,554.66 and 150,000.46

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Solution

The fourth proportional to 486,988.00, 730,554.66 and 150,000.46 is: 225,023.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,988.00 : 730,554.66 = 150,000.46 : x
  2. Step 2: Convert to fraction form
    486,988.00/730,554.66 = 150,000.46/x
  3. Step 3: Cross multiply
    486,988.00x = 730,554.66 × 150,000.46
  4. Step 4: Simplify right side
    486,988.00x = 109,583,533,228.76
  5. Step 5: Solve for x
    x = 109,583,533,228.76/486,988.00
  6. Step 6: Final answer
    x = 225,023.07

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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.