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Finding the Fourth Proportional to 369,617.80, 554,426.70 and 341,624.20

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Solution

The fourth proportional to 369,617.80, 554,426.70 and 341,624.20 is: 512,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,617.80 : 554,426.70 = 341,624.20 : x
  2. Step 2: Convert to fraction form
    369,617.80/554,426.70 = 341,624.20/x
  3. Step 3: Cross multiply
    369,617.80x = 554,426.70 × 341,624.20
  4. Step 4: Simplify right side
    369,617.80x = 189,405,577,846.14
  5. Step 5: Solve for x
    x = 189,405,577,846.14/369,617.80
  6. Step 6: Final answer
    x = 512,436.30

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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.