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Finding the Fourth Proportional to 369,526.40, 554,289.60 and 132,876.80

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Solution

The fourth proportional to 369,526.40, 554,289.60 and 132,876.80 is: 199,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,526.40 : 554,289.60 = 132,876.80 : x
  2. Step 2: Convert to fraction form
    369,526.40/554,289.60 = 132,876.80/x
  3. Step 3: Cross multiply
    369,526.40x = 554,289.60 × 132,876.80
  4. Step 4: Simplify right side
    369,526.40x = 73,652,228,321.28
  5. Step 5: Solve for x
    x = 73,652,228,321.28/369,526.40
  6. Step 6: Final answer
    x = 199,315.20

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1.5x scale

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.