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Finding the Fourth Proportional to 369,535.40, 554,303.10 and 132,885.80

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Solution

The fourth proportional to 369,535.40, 554,303.10 and 132,885.80 is: 199,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,535.40 : 554,303.10 = 132,885.80 : x
  2. Step 2: Convert to fraction form
    369,535.40/554,303.10 = 132,885.80/x
  3. Step 3: Cross multiply
    369,535.40x = 554,303.10 × 132,885.80
  4. Step 4: Simplify right side
    369,535.40x = 73,659,010,885.98
  5. Step 5: Solve for x
    x = 73,659,010,885.98/369,535.40
  6. Step 6: Final answer
    x = 199,328.70

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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.