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Finding the Fourth Proportional to 676,450.80, 933,500.16 and 374,644.80

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Solution

The fourth proportional to 676,450.80, 933,500.16 and 374,644.80 is: 517,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,450.80 : 933,500.16 = 374,644.80 : x
  2. Step 2: Convert to fraction form
    676,450.80/933,500.16 = 374,644.80/x
  3. Step 3: Cross multiply
    676,450.80x = 933,500.16 × 374,644.80
  4. Step 4: Simplify right side
    676,450.80x = 349,730,980,743.17
  5. Step 5: Solve for x
    x = 349,730,980,743.17/676,450.80
  6. Step 6: Final answer
    x = 517,008.75

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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.