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Finding the Fourth Proportional to 632,068.21, 872,254.20 and 345,588.49

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Solution

The fourth proportional to 632,068.21, 872,254.20 and 345,588.49 is: 476,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,068.21 : 872,254.20 = 345,588.49 : x
  2. Step 2: Convert to fraction form
    632,068.21/872,254.20 = 345,588.49/x
  3. Step 3: Cross multiply
    632,068.21x = 872,254.20 × 345,588.49
  4. Step 4: Simplify right side
    632,068.21x = 301,441,011,874.16
  5. Step 5: Solve for x
    x = 301,441,011,874.16/632,068.21
  6. Step 6: Final answer
    x = 476,912.15

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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.