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Finding the Fourth Proportional to 605,622.60, 906,684.30 and 369,426.60

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Solution

The fourth proportional to 605,622.60, 906,684.30 and 369,426.60 is: 553,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,622.60 : 906,684.30 = 369,426.60 : x
  2. Step 2: Convert to fraction form
    605,622.60/906,684.30 = 369,426.60/x
  3. Step 3: Cross multiply
    605,622.60x = 906,684.30 × 369,426.60
  4. Step 4: Simplify right side
    605,622.60x = 334,953,298,222.38
  5. Step 5: Solve for x
    x = 334,953,298,222.38/605,622.60
  6. Step 6: Final answer
    x = 553,072.65

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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.