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Finding the Fourth Proportional to 543,626.60, 813,827.10 and 404,004.20

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Solution

The fourth proportional to 543,626.60, 813,827.10 and 404,004.20 is: 604,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,626.60 : 813,827.10 = 404,004.20 : x
  2. Step 2: Convert to fraction form
    543,626.60/813,827.10 = 404,004.20/x
  3. Step 3: Cross multiply
    543,626.60x = 813,827.10 × 404,004.20
  4. Step 4: Simplify right side
    543,626.60x = 328,789,566,473.82
  5. Step 5: Solve for x
    x = 328,789,566,473.82/543,626.60
  6. Step 6: Final answer
    x = 604,807.72

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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.