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Finding the Fourth Proportional to 458,596.90, 684,807.26 and 374,523.96

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Solution

The fourth proportional to 458,596.90, 684,807.26 and 374,523.96 is: 559,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,596.90 : 684,807.26 = 374,523.96 : x
  2. Step 2: Convert to fraction form
    458,596.90/684,807.26 = 374,523.96/x
  3. Step 3: Cross multiply
    458,596.90x = 684,807.26 × 374,523.96
  4. Step 4: Simplify right side
    458,596.90x = 256,476,726,851.95
  5. Step 5: Solve for x
    x = 256,476,726,851.95/458,596.90
  6. Step 6: Final answer
    x = 559,263.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.