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Finding the Fourth Proportional to 676,800.16, 933,984.24 and 374,994.16

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Solution

The fourth proportional to 676,800.16, 933,984.24 and 374,994.16 is: 517,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,800.16 : 933,984.24 = 374,994.16 : x
  2. Step 2: Convert to fraction form
    676,800.16/933,984.24 = 374,994.16/x
  3. Step 3: Cross multiply
    676,800.16x = 933,984.24 × 374,994.16
  4. Step 4: Simplify right side
    676,800.16x = 350,238,631,790.85
  5. Step 5: Solve for x
    x = 350,238,631,790.85/676,800.16
  6. Step 6: Final answer
    x = 517,491.95

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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.