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Finding the Fourth Proportional to 606,312.40, 836,773.48 and 385,702.64

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Solution

The fourth proportional to 606,312.40, 836,773.48 and 385,702.64 is: 532,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,312.40 : 836,773.48 = 385,702.64 : x
  2. Step 2: Convert to fraction form
    606,312.40/836,773.48 = 385,702.64/x
  3. Step 3: Cross multiply
    606,312.40x = 836,773.48 × 385,702.64
  4. Step 4: Simplify right side
    606,312.40x = 322,745,740,317.99
  5. Step 5: Solve for x
    x = 322,745,740,317.99/606,312.40
  6. Step 6: Final answer
    x = 532,309.32

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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.