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Finding the Fourth Proportional to 431,596.40, 595,414.07 and 411,585.35

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Solution

The fourth proportional to 431,596.40, 595,414.07 and 411,585.35 is: 567,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,596.40 : 595,414.07 = 411,585.35 : x
  2. Step 2: Convert to fraction form
    431,596.40/595,414.07 = 411,585.35/x
  3. Step 3: Cross multiply
    431,596.40x = 595,414.07 × 411,585.35
  4. Step 4: Simplify right side
    431,596.40x = 245,063,703,360.88
  5. Step 5: Solve for x
    x = 245,063,703,360.88/431,596.40
  6. Step 6: Final answer
    x = 567,807.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.